#51BB78#51BB78
#51BB78 is a light, vivid green. Relative luminance 0.386; OKLCH L 71.3% C 0.139 H 153.2°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).
Color values
| HEX | #51BB78 |
|---|---|
| RGB | rgb(81, 187, 120) |
| HSL | hsl(142, 44%, 53%) |
| HSV | hsv(142, 57%, 73%) |
| CMYK | cmyk(56.7%, 0%, 35.8%, 26.7%) |
| CIE-LAB | lab(68.49, -45.76, 24.98) |
| CIE-LCH | lch(68.49, 52.13, 151.37°) |
| OKLab | oklab(71.26% -0.1242 0.0626) |
| OKLCH | oklch(71.26% 0.139 153.2) |
| XYZ | xyz(24.5519, 38.6438, 23.9308) |
| Luminance | 0.3865 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Dark Mint
#48C072
ΔE00 2.25
Mediumseagreen
#3CB371
ΔE00 2.78
Dark Mint Green
#20C073
ΔE00 3.26
Fern
#63B76C
ΔE00 3.39
Greenish Teal
#32BF84
ΔE00 3.56
Cool Green
#33B864
ΔE00 3.65
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51BB78 #BB5194
analogous
#5FBB51 #51BB78 #51BBAD
triadic
#51BB78 #7851BB #BB7851
tetradic
#51BB78 #515FBB #BB5194 #BBAD51
square
#51BB78 #515FBB #BB5194 #BBAD51
split-complementary
#51BB78 #AD51BB #BB515F
monochromatic
#296940 #3A955B #51BB78 #7DCC9A #A9DDBC
Accessibility & contrast
On white
2.41
#51BB78 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.73
#51BB78 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51BB78
8.73:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51BB78 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51BB78 | 1.00 | 2.41 | 8.73 | 8.73 |
| #FFFFFF | 2.41 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.73 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.73 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#BBAD74
Deuteranopia (green-blind)
#ACA37C
Tritanopia (blue-blind)
#32B9AA
Achromatopsia (no color)
#A7A7A7
Design tokens & code
CSS
--color: #51bb78; /* rgb */ color: rgb(81, 187, 120); /* oklch */ color: oklch(71.3% 0.139 153.2);
Tailwind
colors: {
custom: {
50: '#8bd09f',
500: '#51bb78',
950: '#000000',
},
}SCSS
$custom: #51bb78; $custom-light: #8bd09f; $custom-dark: #000000;
JSON
{
"hex": "#51bb78",
"rgb": {
"r": 81,
"g": 187,
"b": 120
},
"hsl": {
"h": 142.075,
"s": 43.802,
"l": 52.549
},
"oklch": {
"l": 0.71257,
"c": 0.1391,
"h": 153.2
},
"luminance": 0.38646
}Semantic roles & 50–950 ramp
primary
#51BB78
secondary
#CB9DBA
accent
#54A5D4
background
#F8FCF9
surface
#F0F9F2
border
#CBD2CC
text
#0D140E
muted
#7D827E