#63B31D#63B31D
#63B31D is a light, vivid yellow-green. Relative luminance 0.350; OKLCH L 68.9% C 0.190 H 134.7°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).
Color values
| HEX | #63B31D |
|---|---|
| RGB | rgb(99, 179, 29) |
| HSL | hsl(92, 72%, 41%) |
| HSV | hsv(92, 84%, 70%) |
| CMYK | cmyk(44.7%, 0%, 83.8%, 29.8%) |
| CIE-LAB | lab(65.73, -47.71, 61.64) |
| CIE-LCH | lch(65.73, 77.95, 127.74°) |
| OKLab | oklab(68.87% -0.1339 0.1351) |
| OKLCH | oklch(68.87% 0.19 134.7) |
| XYZ | xyz(21.4870, 34.9803, 6.7818) |
| Luminance | 0.3498 (WCAG relative) |
| Temperature | warm |
| Family | yellow-green |
Closest named colors
Kermit Green
#5CB200
ΔE00 1.20
Frog Green
#58BC08
ΔE00 2.82
Grass
#5CAC2D
ΔE00 2.89
Leaf Green
#5CA904
ΔE00 3.00
Nasty Green
#70B23F
ΔE00 3.18
Kelly Green
#4CBB17
ΔE00 3.21
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#63B31D #6D1DB3
analogous
#AEB31D #63B31D #1DB322
triadic
#63B31D #1D63B3 #B31D63
tetradic
#63B31D #1DAEB3 #6D1DB3 #B3221D
square
#63B31D #1DAEB3 #6D1DB3 #B3221D
split-complementary
#63B31D #221DB3 #B31DAE
monochromatic
#294A0C #467E14 #63B31D #81DD30 #A1E664
Accessibility & contrast
On white
2.63
#63B31D on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.00
#63B31D on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #63B31D
8.00:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##63B31D | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##63B31D | 1.00 | 2.63 | 8.00 | 8.00 |
| #FFFFFF | 2.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.00 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.00 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#BAA400
Deuteranopia (green-blind)
#AF9D30
Tritanopia (blue-blind)
#61AC98
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #63b31d; /* rgb */ color: rgb(99, 179, 29); /* oklch */ color: oklch(68.9% 0.190 134.7);
Tailwind
colors: {
custom: {
50: '#97ca69',
500: '#63b31d',
950: '#000000',
},
}SCSS
$custom: #63b31d; $custom-light: #97ca69; $custom-dark: #000000;
JSON
{
"hex": "#63b31d",
"rgb": {
"r": 99,
"g": 179,
"b": 29
},
"hsl": {
"h": 92,
"s": 72.115,
"l": 40.784
},
"oklch": {
"l": 0.68874,
"c": 0.1902,
"h": 134.7
},
"luminance": 0.34982
}Semantic roles & 50–950 ramp
primary
#63B31D
secondary
#9961CB
accent
#39EF9A
background
#F9FCF6
surface
#F2F8EC
border
#CCD1C7
text
#0E1307
muted
#7E827A