#51EE9B#51EE9B
#51EE9B is a very light, vivid green. Relative luminance 0.653; OKLCH L 84.7% C 0.176 H 156.0°. Best body text is #000000 at 14.05:1 contrast (WCAG AA passes).
Color values
| HEX | #51EE9B |
|---|---|
| RGB | rgb(81, 238, 155) |
| HSL | hsl(148, 82%, 63%) |
| HSV | hsv(148, 66%, 93%) |
| CMYK | cmyk(66%, 0%, 34.9%, 6.7%) |
| CIE-LAB | lab(84.62, -59.38, 28.47) |
| CIE-LCH | lch(84.62, 65.85, 154.38°) |
| OKLab | oklab(84.69% -0.1609 0.0716) |
| OKLCH | oklch(84.69% 0.176 156) |
| XYZ | xyz(39.8806, 65.2607, 41.4988) |
| Luminance | 0.6526 (WCAG relative) |
| Temperature | neutral |
| Family | green |
Closest named colors
Light Green Blue
#56FCA2
ΔE00 3.02
Sea Green (survey)
#53FCA1
ΔE00 3.03
Mediumspringgreen
#00FA9A
ΔE00 3.37
Seafoam Green
#7AF9AB
ΔE00 3.62
Aqua Green
#12E193
ΔE00 3.80
Turquoise Green
#04F489
ΔE00 3.80
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51EE9B #EE51A4
analogous
#56EE51 #51EE9B #51EEE9
triadic
#51EE9B #9B51EE #EE9B51
tetradic
#51EE9B #5156EE #EE51A4 #EEE951
square
#51EE9B #5156EE #EE51A4 #EEE951
split-complementary
#51EE9B #E951EE #EE5156
monochromatic
#11B35E #19E97B #51EE9B #89F3BB #C1F9DB
Accessibility & contrast
On white
1.49
#51EE9B on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
14.05
#51EE9B on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51EE9B
14.05:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51EE9B | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51EE9B | 1.00 | 1.49 | 14.05 | 14.05 |
| #FFFFFF | 1.49 | 1.00 | 21.00 | 21.00 |
| #000000 | 14.05 | 21.00 | 1.00 | 1.00 |
| ##000000 | 14.05 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#EDDC96
Deuteranopia (green-blind)
#D9CDA0
Tritanopia (blue-blind)
#00ECD9
Achromatopsia (no color)
#D3D3D3
Design tokens & code
CSS
--color: #51ee9b; /* rgb */ color: rgb(81, 238, 155); /* oklch */ color: oklch(84.7% 0.176 156.0);
Tailwind
colors: {
custom: {
50: '#93f5b9',
500: '#51ee9b',
950: '#000000',
},
}SCSS
$custom: #51ee9b; $custom-light: #93f5b9; $custom-dark: #000000;
JSON
{
"hex": "#51ee9b",
"rgb": {
"r": 81,
"g": 238,
"b": 155
},
"hsl": {
"h": 148.28,
"s": 82.199,
"l": 62.549
},
"oklch": {
"l": 0.84694,
"c": 0.1761,
"h": 156
},
"luminance": 0.65265
}Semantic roles & 50–950 ramp
primary
#51EE9B
secondary
#B33075
accent
#0779DF
background
#FCFFFD
surface
#F5FEF8
border
#CFD6D1
text
#0E1711
muted
#7F8581