✓ Copied to clipboard
#A3D303 (Vivid Yellow) color swatch preview — Color From Pic.
#A3D303 — Vivid Yellow color swatch

Vivid Yellow

#A3D303

📝 Color Information for #A3D303

The hexadecimal color code #A3D303 represents a medium shade in the yellow family. In the RGB color model, this color is composed of 163 red, 211 green, and 3 blue, which translates to approximately 64% red, 83% green, and 1% blue. This makes it a highly saturated color with cool undertones that can evoke different emotional responses depending on its application. When analyzed in the HSL (Hue, Saturation, Lightness) color space, #A3D303 has a hue of 74 degrees, a saturation level of 97%, and a lightness value of 42%. The hue angle of 74° places this color firmly in the yellow spectrum. In the HSV/HSB color model, this translates to a hue of 74°, saturation of 99%, and brightness/value of 83%. For print applications using the CMYK color model, #A3D303 would be reproduced using 23% cyan, 0% magenta, 99% yellow, and 17% black. The closest web-safe color is #99CC00, which may be useful for ensuring compatibility across older displays and systems. This color works well in various design contexts. With its medium lightness, it's versatile enough for both foreground elements and subtle backgrounds. The high saturation makes this color vibrant and attention-grabbing, ideal for call-to-action buttons, highlights, and accent elements. When pairing #A3D303 with other colors, consider its complementary color at hue 254° for maximum contrast, or use analogous colors within 30° of its hue for harmonious combinations. The decimal representation of this color is 10736387, which can be useful in certain programming contexts.

🔢 Color Conversion Codes for #A3D303

Tailwind CSS
lime-500
HEX
#A3D303
RGB
rgb(163, 211, 3)
RGB %
64%, 83%, 1%
HSL
hsl(74, 97%, 42%)
HSV
hsv(74, 99%, 83%)
CMYK
23%, 0%, 99%, 17%
Decimal
10736387
Web Safe
#99CC00

🎨 Color Schemes for #A3D303

Complementary
Analogous
Triadic
Split Complementary
Tetradic (Rectangle)

🔄 Alternatives to #A3D303

🌗 Shades and Tints of #A3D303

Shades (adding black)
Tints (adding white)

🎚️ Tones of #A3D303

Tones (adding gray / desaturating)

🌈 Hue Variations of #A3D303

Hue Variations (shifting the color spectrum)

👁️ Preview of #A3D303 in Use

Text on #A3D303
This demonstrates text readability on the color background. (Click to edit)
#A3D303 as Text
This shows the color used as text on white. (Click to edit)

👓 Color Blindness Simulation for #A3D303

Check how a color is perceived by people with different types of color blindness to create more accessible designs. Understanding color perception helps ensure your content is accessible to everyone.

📋 CSS Code for #A3D303

:root { --color-hex: #A3D303; --color-rgb: 163, 211, 3; --color-hsl: 74, 97%, 42%; } .bg-color { background-color: #A3D303; } .text-color { color: #A3D303; } .border-color { border-color: #A3D303; }

🛠️ Use #A3D303 in Your Project

🎨
Build a Palette with #A3D303
Generate harmonious color schemes
⚖️
Check Contrast for #A3D303
WCAG accessibility testing
🌈
Create a Gradient with #A3D303
Beautiful CSS gradients

🔗 Related Colors to #A3D303

#D39C03
Hue -30°
#D3D003
Hue -15°
#6FD303
Hue +15°
#3BD303
Hue +30°
#8BB503
85% L
#709202
70% L
#516902
50% L
#324101
30% L
#C6FB18
54% L
#D4FC4F
65% L
#E3FD8B
77% L
#F0FEC3
88% L

About Vivid Yellow (#A3D303)

Vivid Yellow is a medium, vibrant, warm yellow color with a hue angle of 74°, saturation of 97%, and lightness of 42%. Its RGB value is (163, 211, 3) and its CMYK breakdown is C:23% M:0% Y:99% K:17%.

This is a Spring (Vital) color palette archetype. Happiness, Positivity, Optimism, Caution. Yellow is the most luminous of all the colors of the spectrum.

Frequently Asked Questions About #A3D303

What is the HEX code for Vivid Yellow? +

The HEX code for Vivid Yellow is #A3D303. In CSS you can use it directly as color: #A3D303; or as a background: background-color: #A3D303;. The three-character shorthand is not available for this color since it cannot be reduced without changing the value. Use the full six-character hex for accurate reproduction in any web or design project.

What is the RGB value of #A3D303? +

The RGB value of #A3D303 is rgb(163, 211, 3). This means the color contains 163 out of 255 parts red, 211 out of 255 parts green, and 3 out of 255 parts blue. Red is the weakest (with blue dominant) channel in this color mix. You can use the full RGB function in any CSS property: color: rgb(163, 211, 3);

What is the HSL value of #A3D303? +

The HSL value of #A3D303 is hsl(74, 97%, 42%). The hue is 74°, placing it in the yellow family on the color wheel. The saturation is 97%, making it vibrant. The lightness is 42%, making it medium. HSL is the most useful format for programmatic color manipulation in CSS, as you can easily adjust lightness to create tints and shades.

Is #A3D303 a warm or cool color? +

#A3D303 is classified as a warm color based on its hue angle of 74°. Warm colors — reds, oranges, and yellows — evoke energy, enthusiasm, and urgency. They tend to advance visually and draw the eye. In design, warm colors are often used for calls-to-action, food and hospitality brands, and anywhere a feeling of warmth or excitement is desired.

What is the CMYK value of #A3D303? +

The approximate CMYK value of #A3D303 is C:23% M:0% Y:99% K:17%. CMYK (Cyan, Magenta, Yellow, Key/Black) is the color model used in physical printing. Unlike RGB which mixes light additively on screens, CMYK mixes inks subtractively on paper. Note that the RGB-to-CMYK conversion is an approximation — screen colors and print colors exist in different color gamuts, and some screen colors cannot be exactly reproduced in print. For precise print work, consult a professional print color profile or Pantone matching system.

Analyze #A3D303 with Other Tools

🔢
Color Converter
Get all formats for #A3D303 — HEX, RGB, HSL, HSV, CMYK, harmonies and shades.
Contrast Checker
Test whether #A3D303 passes WCAG AA/AAA contrast requirements as text.
🎨
Palette Generator
Generate complementary, triadic, and analogous palettes starting from #A3D303.
👓
Blindness Simulator
See how #A3D303 appears to users with deuteranopia, protanopia, and tritanopia.
📊
Color Analysis
Deep analysis of luminance, temperature, psychology and harmonies for #A3D303.
🎭
Creative Aspects
Explore the mood, psychology, seasonal meaning, and mixing guide for #A3D303.
🌅
Gradient Maker
Create a beautiful CSS linear or radial gradient starting from #A3D303.
🔬
Technical Formats
See #A3D303 in OKLCH, Lab, HSV, XYZ, and other advanced color spaces.
🎨
Practical Formats
Get #A3D303 as a CSS variable, Tailwind class, design token, and more.

More Color Tools

Explore our full suite of free color utilities for designers and developers.