#51B0A4#51B0A4
#51B0A4 is a light, moderate teal. Relative luminance 0.355; OKLCH L 69.7% C 0.092 H 184.3°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).
Color values
| HEX | #51B0A4 |
|---|---|
| RGB | rgb(81, 176, 164) |
| HSL | hsl(172, 38%, 50%) |
| HSV | hsv(172, 54%, 69%) |
| CMYK | cmyk(54%, 0%, 6.8%, 31%) |
| CIE-LAB | lab(66.12, -30.99, -2.38) |
| CIE-LCH | lch(66.12, 31.08, 184.40°) |
| OKLab | oklab(69.65% -0.0915 -0.0069) |
| OKLCH | oklch(69.65% 0.092 184.3) |
| XYZ | xyz(25.6166, 35.4779, 40.6127) |
| Luminance | 0.3548 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Lightseagreen
#20B2AA
ΔE00 3.45
Topaz
#13BBAF
ΔE00 4.49
Tealish
#24BCA8
ΔE00 4.97
Greeny Blue
#42B395
ΔE00 6.15
Dull Teal
#5F9E8F
ΔE00 6.22
Turquoise (survey)
#06C2AC
ΔE00 6.55
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51B0A4 #B0515D
analogous
#51B074 #51B0A4 #518CB0
triadic
#51B0A4 #A451B0 #B0A451
tetradic
#51B0A4 #7451B0 #B0515D #8CB051
square
#51B0A4 #7451B0 #B0515D #8CB051
split-complementary
#51B0A4 #B0518C #B07451
monochromatic
#2A5D56 #3D877D #51B0A4 #7BC3BA #A5D6D0
Accessibility & contrast
On white
2.59
#51B0A4 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
8.10
#51B0A4 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51B0A4
8.10:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51B0A4 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51B0A4 | 1.00 | 2.59 | 8.10 | 8.10 |
| #FFFFFF | 2.59 | 1.00 | 21.00 | 21.00 |
| #000000 | 8.10 | 21.00 | 1.00 | 1.00 |
| ##000000 | 8.10 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#A8A7A4
Deuteranopia (green-blind)
#999CA5
Tritanopia (blue-blind)
#0CB3AC
Achromatopsia (no color)
#A1A1A1
Design tokens & code
CSS
--color: #51b0a4; /* rgb */ color: rgb(81, 176, 164); /* oklch */ color: oklch(69.7% 0.092 184.3);
Tailwind
colors: {
custom: {
50: '#8ac8be',
500: '#51b0a4',
950: '#000000',
},
}SCSS
$custom: #51b0a4; $custom-light: #8ac8be; $custom-dark: #000000;
JSON
{
"hex": "#51b0a4",
"rgb": {
"r": 81,
"g": 176,
"b": 164
},
"hsl": {
"h": 172.421,
"s": 37.549,
"l": 50.392
},
"oklch": {
"l": 0.69652,
"c": 0.0918,
"h": 184.3
},
"luminance": 0.3548
}Semantic roles & 50–950 ramp
primary
#51B0A4
secondary
#C4999F
accent
#5A69CE
background
#F8FCFB
surface
#F0F8F6
border
#CBD1D0
text
#0C1312
muted
#7D8281