Greenyellow
greenyellow · #ADFF2F
HEX
#ADFF2F
RGB
rgb(173, 255, 47)
CMYK
cmyk(32%, 0%, 82%, 0%)
HSL
hsl(84, 100%, 59%)
LAB
lab(92.0, -52.5, 81.9)
What is Greenyellow?
Greenyellow is the greenyellow reference in the CSS Named Colors. Its sRGB value is #ADFF2F (rgb 173, 255, 47). It sits in the green family. The 147 named colors defined by the W3C CSS Color Module Level 4 specification — usable directly in CSS as keywords like 'crimson' or 'rebeccapurple'. See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Greenyellow as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Greenyellow
An 11-step tonal scale derived from Greenyellow (#ADFF2F). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#F8FFEE
#F8FFEE
100
#F2FFDE
#F2FFDE
200
#E5FFBC
#E5FFBC
300
#D6FF97
#D6FF97
400
#C2FF63
#C2FF63
500
#ADFF2F
#ADFF2F
600
#93D928
#93D928
700
#70A61F
#70A61F
800
#4E7315
#4E7315
900
#2B400C
#2B400C
950
#151F06
#151F06
Lighter tints (mixed with white)
15%
#BCFF74
30%
#CAFF99
45%
#D7FFB6
60%
#E3FFCD
75%
#EEFFE2
Darker shades (mixed with black)
15%
#A1ED2B
30%
#93DA27
45%
#84C422
60%
#72AA1C
75%
#5B8914
Color harmonies for Greenyellow
Classic color-theory harmonies derived from rotating the hue of Greenyellow. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#ADFF2F
#ADFF2F
#822EFF
#822EFF
Triadic
Three colors 120° apart
#ADFF2F
#ADFF2F
#2EABFF
#2EABFF
#FF2EAB
#FF2EAB
Analogous
Two neighbors ±30° on the wheel
#FFEA2E
#FFEA2E
#ADFF2F
#ADFF2F
#43FF2E
#43FF2E
Split-complementary
Base + two colors flanking its complement
#ADFF2F
#ADFF2F
#2E43FF
#2E43FF
#EA2EFF
#EA2EFF
Tetradic
Two complementary pairs
#ADFF2F
#ADFF2F
#2EFF82
#2EFF82
#822EFF
#822EFF
#FF2EAB
#FF2EAB
Square
Four colors evenly spaced 90° apart
#ADFF2F
#ADFF2F
#2EFFEA
#2EFFEA
#822EFF
#822EFF
#FF2E43
#FF2E43
Greenyellow in every color space
Full conversion of Greenyellow across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#ADFF2F
RGB
rgb(173, 255, 47)
CMYK
cmyk(32%, 0%, 82%, 0%)
HSL
hsl(84, 100%, 59%)
HSV
hsv(84, 82%, 100%)
HWB
hwb(84 18% 0%)
CIE Lab
lab(92.0 -52.5 81.9)
OKLCH
oklch(91.3% 0.233 130.0)
XYZ (D65)
xyz(53.51, 80.61, 15.43)
Copy-ready code for Greenyellow
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #ADFF2F;
background-color: #ADFF2F;CSS variable
:root {
--color-greenyellow: #ADFF2F;
}Tailwind config
// tailwind.config.js
colors: {
'greenyellow': '#ADFF2F',
}Sass
$color-greenyellow: #ADFF2F;Swift UIColor
UIColor(red: 0.678, green: 1.000, blue: 0.184, alpha: 1.0)Android XML
<color name="greenyellow">#ADFF2F</color>Closest match in every color system
The nearest Greenyellow equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in CSS Named Colors
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 1016
#EDFF21
Sulfur yellow
RAL 1026
#FFFF00
Luminous yellow
RAL 1018
#F8F32B
Zinc yellow
RAL 6019
#BDECB6
Pastel green
RAL 1021
#F3DA0B
Rape yellow
RAL 1014
#E1CC4F
Ivory
FAQ about Greenyellow
What is the HEX code for Greenyellow?
Greenyellow (greenyellow) has the HEX code #ADFF2F. In RGB it is rgb(173, 255, 47), and in CMYK it is cmyk(32%, 0%, 82%, 0%).
What is the OKLCH value of Greenyellow?
Greenyellow converts to oklch(0.913 0.233 130.0). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Greenyellow accessible for body text?
Used as a background, Greenyellow has a contrast ratio of 17.12:1 with black text and 1.23:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Greenyellow?
The closest Pantone reference to Greenyellow by ΔE2000 perceptual distance is Pantone 367 C (#A4D65E). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Greenyellow?
The closest RAL Classic reference to Greenyellow by ΔE2000 distance is RAL 1016 (Sulfur yellow, #EDFF21). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Greenyellow?
The complementary color (180° opposite on the HSL color wheel) of Greenyellow is #822EFF. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
CSS Named Colors (CSS Color Module Level 4)
The 147 named colors defined by the W3C CSS Color Module Level 4 specification. Origin: VGA (16) + X11 (rest) + 'rebeccapurple'. Use as a reference for web color names that all browsers natively support. Names like 'crimson' or 'rebeccapurple' work as CSS values without any framework.
- Source type
- derived
- Confidence
- high
- License
- W3C permissive document license
- Last reviewed
- 2026-05-24
Workflow tags
CSS named colors are sRGB digital values defined for browsers. For print, convert to a process-appropriate color and proof against substrate.