#51B522#51B522
#51B522 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.6% C 0.199 H 138.2°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).
Color values
| HEX | #51B522 |
|---|---|
| RGB | rgb(81, 181, 34) |
| HSL | hsl(101, 68%, 42%) |
| HSV | hsv(101, 81%, 71%) |
| CMYK | cmyk(55.2%, 0%, 81.2%, 29%) |
| CIE-LAB | lab(65.68, -53.66, 60.00) |
| CIE-LCH | lch(65.68, 80.49, 131.81°) |
| OKLab | oklab(68.64% -0.1484 0.1326) |
| OKLCH | oklch(68.64% 0.199 138.2) |
| XYZ | xyz(20.2052, 34.9109, 7.1868) |
| Luminance | 0.3491 (WCAG relative) |
| Temperature | warm |
| Family | green |
Closest named colors
Kelly Green
#4CBB17
ΔE00 1.82
Leafy Green
#51B73B
ΔE00 2.44
Kermit Green
#5CB200
ΔE00 2.55
Frog Green
#58BC08
ΔE00 2.70
Grass
#5CAC2D
ΔE00 2.94
Green (survey)
#15B01A
ΔE00 3.95
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51B522 #8622B5
analogous
#9BB522 #51B522 #22B53C
triadic
#51B522 #2251B5 #B52251
tetradic
#51B522 #229BB5 #8622B5 #B53C22
square
#51B522 #229BB5 #8622B5 #B53C22
split-complementary
#51B522 #3C22B5 #B5229B
monochromatic
#234E0F #3A8118 #51B522 #6DDA3A #93E46E
Accessibility & contrast
On white
2.63
#51B522 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
7.98
#51B522 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51B522
7.98:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51B522 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51B522 | 1.00 | 2.63 | 7.98 | 7.98 |
| #FFFFFF | 2.63 | 1.00 | 21.00 | 21.00 |
| #000000 | 7.98 | 21.00 | 1.00 | 1.00 |
| ##000000 | 7.98 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#BBA500
Deuteranopia (green-blind)
#AE9C34
Tritanopia (blue-blind)
#48AF9A
Achromatopsia (no color)
#A0A0A0
Design tokens & code
CSS
--color: #51b522; /* rgb */ color: rgb(81, 181, 34); /* oklch */ color: oklch(68.6% 0.199 138.2);
Tailwind
colors: {
custom: {
50: '#8dcc6b',
500: '#51b522',
950: '#000000',
},
}SCSS
$custom: #51b522; $custom-light: #8dcc6b; $custom-dark: #000000;
JSON
{
"hex": "#51b522",
"rgb": {
"r": 81,
"g": 181,
"b": 34
},
"hsl": {
"h": 100.816,
"s": 68.372,
"l": 42.157
},
"oklch": {
"l": 0.68641,
"c": 0.19906,
"h": 138.2
},
"luminance": 0.34913
}Semantic roles & 50–950 ramp
primary
#51B522
secondary
#AB69CA
accent
#3DEBB3
background
#F9FCF6
surface
#F1F9EC
border
#CBD2C7
text
#0D1307
muted
#7E827A