#51DBB9#51DBB9
#51DBB9 is a light, vivid teal. Relative luminance 0.559; OKLCH L 80.8% C 0.129 H 173.5°. Best body text is #000000 at 12.18:1 contrast (WCAG AA passes).
Color values
| HEX | #51DBB9 |
|---|---|
| RGB | rgb(81, 219, 185) |
| HSL | hsl(165, 66%, 59%) |
| HSV | hsv(165, 63%, 86%) |
| CMYK | cmyk(63%, 0%, 15.5%, 14.1%) |
| CIE-LAB | lab(79.56, -45.26, 5.77) |
| CIE-LCH | lch(79.56, 45.63, 172.74°) |
| OKLab | oklab(80.76% -0.1282 0.0146) |
| OKLCH | oklch(80.76% 0.129 173.5) |
| XYZ | xyz(37.4776, 55.9111, 54.7064) |
| Luminance | 0.5592 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Aquamarine (survey)
#04D8B2
ΔE00 2.78
Eucalyptus
#44D7A8
ΔE00 3.69
Aqua Marine
#2EE8BB
ΔE00 3.93
Mediumaquamarine
#66CDAA
ΔE00 4.13
Aqua (survey)
#13EAC9
ΔE00 4.20
Seafoam Blue
#78D1B6
ΔE00 4.60
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51DBB9 #DB5173
analogous
#51DB74 #51DBB9 #51B8DB
triadic
#51DBB9 #B951DB #DBB951
tetradic
#51DBB9 #7451DB #DB5173 #B8DB51
square
#51DBB9 #7451DB #DB5173 #B8DB51
split-complementary
#51DBB9 #DB51B8 #DB7451
monochromatic
#1E9376 #29C69F #51DBB9 #84E5CD #B6F0E2
Accessibility & contrast
On white
1.72
#51DBB9 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
12.18
#51DBB9 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51DBB9
12.18:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51DBB9 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51DBB9 | 1.00 | 1.72 | 12.18 | 12.18 |
| #FFFFFF | 1.72 | 1.00 | 21.00 | 21.00 |
| #000000 | 12.18 | 21.00 | 1.00 | 1.00 |
| ##000000 | 12.18 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#D4CEB7
Deuteranopia (green-blind)
#C0BFBB
Tritanopia (blue-blind)
#00DDD1
Achromatopsia (no color)
#C5C5C5
Design tokens & code
CSS
--color: #51dbb9; /* rgb */ color: rgb(81, 219, 185); /* oklch */ color: oklch(80.8% 0.129 173.5);
Tailwind
colors: {
custom: {
50: '#90e7ce',
500: '#51dbb9',
950: '#000000',
},
}SCSS
$custom: #51dbb9; $custom-light: #90e7ce; $custom-dark: #000000;
JSON
{
"hex": "#51dbb9",
"rgb": {
"r": 81,
"g": 219,
"b": 185
},
"hsl": {
"h": 165.217,
"s": 65.714,
"l": 58.824
},
"oklch": {
"l": 0.80757,
"c": 0.12904,
"h": 173.5
},
"luminance": 0.55915
}Semantic roles & 50–950 ramp
primary
#51DBB9
secondary
#983850
accent
#3F69E9
background
#FCFEFE
surface
#F5FCFA
border
#CFD5D3
text
#0E1613
muted
#7F8483