#51C3CD#51C3CD
#51C3CD is a light, moderate teal. Relative luminance 0.452; OKLCH L 75.6% C 0.103 H 203.2°. Best body text is #000000 at 10.04:1 contrast (WCAG AA passes).
Color values
| HEX | #51C3CD |
|---|---|
| RGB | rgb(81, 195, 205) |
| HSL | hsl(185, 55%, 56%) |
| HSV | hsv(185, 60%, 80%) |
| CMYK | cmyk(60.5%, 4.9%, 0%, 19.6%) |
| CIE-LAB | lab(73.01, -29.01, -14.65) |
| CIE-LCH | lch(73.01, 32.50, 206.80°) |
| OKLab | oklab(75.63% -0.0945 -0.0406) |
| OKLCH | oklch(75.63% 0.103 203.2) |
| XYZ | xyz(33.9232, 45.1838, 64.6793) |
| Luminance | 0.4519 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Darkturquoise
#00CED1
ΔE00 5.21
Aqua Blue
#02D8E9
ΔE00 5.83
Turquoise Blue
#06B1C4
ΔE00 6.15
Mediumturquoise
#48D1CC
ΔE00 6.70
Lightseagreen
#20B2AA
ΔE00 9.14
Neon Blue
#04D9FF
ΔE00 9.39
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51C3CD #CD5B51
analogous
#51CD99 #51C3CD #5185CD
triadic
#51C3CD #CD51C3 #C3CD51
tetradic
#51C3CD #9951CD #CD5B51 #85CD51
square
#51C3CD #9951CD #CD5B51 #85CD51
split-complementary
#51C3CD #CD5185 #CD9951
monochromatic
#25787F #32A5AF #51C3CD #81D3DB #B0E4E8
Accessibility & contrast
On white
2.09
#51C3CD on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
10.04
#51C3CD on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51C3CD
10.04:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51C3CD | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51C3CD | 1.00 | 2.09 | 10.04 | 10.04 |
| #FFFFFF | 2.09 | 1.00 | 21.00 | 21.00 |
| #000000 | 10.04 | 21.00 | 1.00 | 1.00 |
| ##000000 | 10.04 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#B5BBCE
Deuteranopia (green-blind)
#A2ADCE
Tritanopia (blue-blind)
#00CAC6
Achromatopsia (no color)
#B3B3B3
Design tokens & code
CSS
--color: #51c3cd; /* rgb */ color: rgb(81, 195, 205); /* oklch */ color: oklch(75.6% 0.103 203.2);
Tailwind
colors: {
custom: {
50: '#8fd5dc',
500: '#51c3cd',
950: '#000000',
},
}SCSS
$custom: #51c3cd; $custom-light: #8fd5dc; $custom-dark: #000000;
JSON
{
"hex": "#51c3cd",
"rgb": {
"r": 81,
"g": 195,
"b": 205
},
"hsl": {
"h": 184.839,
"s": 55.357,
"l": 56.078
},
"oklch": {
"l": 0.75628,
"c": 0.10283,
"h": 203.2
},
"luminance": 0.45187
}Semantic roles & 50–950 ramp
primary
#51C3CD
secondary
#D7A7A3
accent
#5549DF
background
#F9FDFD
surface
#F2FAFB
border
#CCD3D4
text
#0E1415
muted
#7E8383