#51B563#51B563
#51B563 is a light, vivid green. Relative luminance 0.357; OKLCH L 69.3% C 0.151 H 147.5°. Best body text is #000000 at 8.14:1 contrast (WCAG AA passes).
Color values
| HEX | #51B563 |
|---|---|
| RGB | rgb(81, 181, 99) |
| HSL | hsl(131, 40%, 51%) |
| HSV | hsv(131, 55%, 71%) |
| CMYK | cmyk(55.2%, 0%, 45.3%, 29%) |
| CIE-LAB | lab(66.29, -46.91, 33.08) |
| CIE-LCH | lch(66.29, 57.40, 144.81°) |
| OKLab | oklab(69.34% -0.1271 0.0811) |
| OKLCH | oklch(69.34% 0.151 147.5) |
| XYZ | xyz(22.1679, 35.6960, 17.5238) |
| Luminance | 0.3570 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Boring Green
#63B365
ΔE00 2.10
Fern
#63B76C
ΔE00 2.14
Cool Green
#33B864
ΔE00 2.45
Dark Pastel Green
#56AE57
ΔE00 2.61
Algae
#54AC68
ΔE00 3.28
Dark Mint
#48C072
ΔE00 3.54
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51B563 #B551A3
analogous
#71B551 #51B563 #51B595
triadic
#51B563 #6351B5 #B56351
tetradic
#51B563 #5171B5 #B551A3 #B59551
square
#51B563 #5171B5 #B551A3 #B59551
split-complementary
#51B563 #9551B5 #B55171
monochromatic
#2A6234 #3C8D4A #51B563 #7CC789 #A7DAB0
Accessibility & contrast
On white
2.58
#51B563 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.14
#51B563 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51B563
8.14:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51B563 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51B563 | 1.00 | 2.58 | 8.14 | 8.14 |
| #FFFFFF | 2.58 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.14 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.14 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B7A75D
Deuteranopia (green-blind)
#AA9E68
Tritanopia (blue-blind)
#3CB1A1
Achromatopsia (no color)
#A1A1A1
Design tokens & code
CSS
--color: #51b563; /* rgb */ color: rgb(81, 181, 99); /* oklch */ color: oklch(69.3% 0.151 147.5);
Tailwind
colors: {
custom: {
50: '#8acc90',
500: '#51b563',
950: '#000000',
},
}SCSS
$custom: #51b563; $custom-light: #8acc90; $custom-dark: #000000;
JSON
{
"hex": "#51b563",
"rgb": {
"r": 81,
"g": 181,
"b": 99
},
"hsl": {
"h": 130.8,
"s": 40.323,
"l": 51.373
},
"oklch": {
"l": 0.69337,
"c": 0.15072,
"h": 147.5
},
"luminance": 0.35698
}Semantic roles & 50–950 ramp
primary
#51B563
secondary
#C79BBF
accent
#58BAD0
background
#F8FCF8
surface
#F0F9F0
border
#CBD2CB
text
#0C130D
muted
#7D827D