#51E681#51E681
#51E681 is a very light, vivid green. Relative luminance 0.599; OKLCH L 82.2% C 0.189 H 150.5°. Best body text is #000000 at 12.99:1 contrast (WCAG AA passes).
Color values
| HEX | #51E681 |
|---|---|
| RGB | rgb(81, 230, 129) |
| HSL | hsl(139, 75%, 61%) |
| HSV | hsv(139, 65%, 90%) |
| CMYK | cmyk(64.8%, 0%, 43.9%, 9.8%) |
| CIE-LAB | lab(81.80, -60.95, 37.82) |
| CIE-LCH | lch(81.80, 71.73, 148.18°) |
| OKLab | oklab(82.24% -0.1644 0.093) |
| OKLCH | oklch(82.24% 0.189 150.5) |
| XYZ | xyz(35.6498, 59.9242, 30.4524) |
| Luminance | 0.5993 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Weird Green
#3AE57F
ΔE00 1.19
Tealish Green
#0CDC73
ΔE00 3.36
Turquoise Green
#04F489
ΔE00 3.71
Minty Green
#0BF77D
ΔE00 4.38
Wintergreen
#20F986
ΔE00 4.42
Spearmint
#1EF876
ΔE00 4.90
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51E681 #E651B6
analogous
#6BE651 #51E681 #51E6CB
triadic
#51E681 #8151E6 #E68151
tetradic
#51E681 #516BE6 #E651B6 #E6CB51
square
#51E681 #516BE6 #E651B6 #E6CB51
split-complementary
#51E681 #CB51E6 #E6516B
monochromatic
#18A545 #1FDA5C #51E681 #87EEA8 #BCF5CE
Accessibility & contrast
On white
1.62
#51E681 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
12.99
#51E681 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51E681
12.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51E681 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51E681 | 1.00 | 1.62 | 12.99 | 12.99 |
| #FFFFFF | 1.62 | 1.00 | 21.00 | 21.00 |
| #000000 | 12.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 12.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#E7D379
Deuteranopia (green-blind)
#D4C688
Tritanopia (blue-blind)
#0BE2CE
Achromatopsia (no color)
#CBCBCB
Design tokens & code
CSS
--color: #51e681; /* rgb */ color: rgb(81, 230, 129); /* oklch */ color: oklch(82.2% 0.189 150.5);
Tailwind
colors: {
custom: {
50: '#91efa7',
500: '#51e681',
950: '#000000',
},
}SCSS
$custom: #51e681; $custom-light: #91efa7; $custom-dark: #000000;
JSON
{
"hex": "#51e681",
"rgb": {
"r": 81,
"g": 230,
"b": 129
},
"hsl": {
"h": 139.329,
"s": 74.874,
"l": 60.98
},
"oklch": {
"l": 0.82237,
"c": 0.18892,
"h": 150.5
},
"luminance": 0.59928
}Semantic roles & 50–950 ramp
primary
#51E681
secondary
#A73482
accent
#0E96D7
background
#FCFFFC
surface
#F5FEF6
border
#CFD6D0
text
#0E170F
muted
#7F8580