#51E1CC#51E1CC
#51E1CC is a very light, vivid teal. Relative luminance 0.600; OKLCH L 82.7% C 0.126 H 181.6°. Best body text is #000000 at 12.99:1 contrast (WCAG AA passes).
Color values
| HEX | #51E1CC |
|---|---|
| RGB | rgb(81, 225, 204) |
| HSL | hsl(171, 71%, 60%) |
| HSV | hsv(171, 64%, 88%) |
| CMYK | cmyk(64%, 0%, 9.3%, 11.8%) |
| CIE-LAB | lab(81.81, -43.17, -1.06) |
| CIE-LCH | lch(81.81, 43.18, 181.40°) |
| OKLab | oklab(82.75% -0.1258 -0.0035) |
| OKLCH | oklch(82.75% 0.126 181.6) |
| XYZ | xyz(41.2125, 59.9549, 66.5155) |
| Luminance | 0.5996 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Turquoise
#40E0D0
ΔE00 1.86
Aqua (survey)
#13EAC9
ΔE00 4.17
Tiffany Blue
#7BF2DA
ΔE00 4.72
Aquamarine (survey)
#04D8B2
ΔE00 5.93
Bright Aqua
#0BF9EA
ΔE00 6.08
Seafoam Blue
#78D1B6
ΔE00 6.18
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51E1CC #E15166
analogous
#51E184 #51E1CC #51AEE1
triadic
#51E1CC #CC51E1 #E1CC51
tetradic
#51E1CC #8451E1 #E15166 #AEE151
square
#51E1CC #8451E1 #E15166 #AEE151
split-complementary
#51E1CC #E151AE #E18451
monochromatic
#1B9D8A #24D1B8 #51E1CC #85EADB #B9F3EB
Accessibility & contrast
On white
1.62
#51E1CC on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
12.99
#51E1CC on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51E1CC
12.99:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51E1CC | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51E1CC | 1.00 | 1.62 | 12.99 | 12.99 |
| #FFFFFF | 1.62 | 1.00 | 21.00 | 21.00 |
| #000000 | 12.99 | 21.00 | 1.00 | 1.00 |
| ##000000 | 12.99 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#D7D4CB
Deuteranopia (green-blind)
#C2C5CE
Tritanopia (blue-blind)
#00E5DA
Achromatopsia (no color)
#CBCBCB
Design tokens & code
CSS
--color: #51e1cc; /* rgb */ color: rgb(81, 225, 204); /* oklch */ color: oklch(82.7% 0.126 181.6);
Tailwind
colors: {
custom: {
50: '#92ebdb',
500: '#51e1cc',
950: '#000000',
},
}SCSS
$custom: #51e1cc; $custom-light: #92ebdb; $custom-dark: #000000;
JSON
{
"hex": "#51e1cc",
"rgb": {
"r": 81,
"g": 225,
"b": 204
},
"hsl": {
"h": 171.25,
"s": 70.588,
"l": 60
},
"oklch": {
"l": 0.82748,
"c": 0.12589,
"h": 181.6
},
"luminance": 0.59959
}Semantic roles & 50–950 ramp
primary
#51E1CC
secondary
#A03646
accent
#3A55ED
background
#FCFEFE
surface
#F5FDFB
border
#CFD5D4
text
#0E1615
muted
#7F8484