#51BB91#51BB91
#51BB91 is a light, moderate teal. Relative luminance 0.393; OKLCH L 71.8% C 0.117 H 164.5°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).
Color values
| HEX | #51BB91 |
|---|---|
| RGB | rgb(81, 187, 145) |
| HSL | hsl(156, 44%, 53%) |
| HSV | hsv(156, 57%, 73%) |
| CMYK | cmyk(56.7%, 0%, 22.5%, 26.7%) |
| CIE-LAB | lab(68.99, -40.64, 12.21) |
| CIE-LCH | lch(68.99, 42.43, 163.28°) |
| OKLab | oklab(71.83% -0.1126 0.0313) |
| OKLCH | oklch(71.83% 0.117 164.5) |
| XYZ | xyz(26.2720, 39.3318, 32.9899) |
| Luminance | 0.3933 (WCAG relative) |
| Temperature | neutral |
| Family | teal |
Closest named colors
Green Blue
#01C08D
ΔE00 3.89
Greeny Blue
#42B395
ΔE00 4.16
Greenish Teal
#32BF84
ΔE00 4.16
Greenblue
#23C48B
ΔE00 4.40
Dark Seafoam
#1FB57A
ΔE00 5.14
Bluey Green
#2BB179
ΔE00 5.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51BB91 #BB517B
analogous
#51BB5C #51BB91 #51B0BB
triadic
#51BB91 #9151BB #BB9151
tetradic
#51BB91 #5C51BB #BB517B #B0BB51
square
#51BB91 #5C51BB #BB517B #B0BB51
split-complementary
#51BB91 #BB51B0 #BB5C51
monochromatic
#29694F #3A9571 #51BB91 #7DCCAD #A9DDC9
Accessibility & contrast
On white
2.37
#51BB91 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.87
#51BB91 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51BB91
8.87:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51BB91 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51BB91 | 1.00 | 2.37 | 8.87 | 8.87 |
| #FFFFFF | 2.37 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.87 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.87 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B8AF8F
Deuteranopia (green-blind)
#A8A494
Tritanopia (blue-blind)
#20BBAF
Achromatopsia (no color)
#A8A8A8
Design tokens & code
CSS
--color: #51bb91; /* rgb */ color: rgb(81, 187, 145); /* oklch */ color: oklch(71.8% 0.117 164.5);
Tailwind
colors: {
custom: {
50: '#8bd0b1',
500: '#51bb91',
950: '#000000',
},
}SCSS
$custom: #51bb91; $custom-light: #8bd0b1; $custom-dark: #000000;
JSON
{
"hex": "#51bb91",
"rgb": {
"r": 81,
"g": 187,
"b": 145
},
"hsl": {
"h": 156.226,
"s": 43.802,
"l": 52.549
},
"oklch": {
"l": 0.71829,
"c": 0.11684,
"h": 164.5
},
"luminance": 0.39334
}Semantic roles & 50–950 ramp
primary
#51BB91
secondary
#CB9DAF
accent
#5487D4
background
#F8FCFA
surface
#F0F9F5
border
#CBD2CF
text
#0D1410
muted
#7D827F