#51D2E6#51D2E6
#51D2E6 is a light, moderate teal. Relative luminance 0.536; OKLCH L 80.1% C 0.115 H 209.5°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).
Color values
| HEX | #51D2E6 |
|---|---|
| RGB | rgb(81, 210, 230) |
| HSL | hsl(188, 75%, 61%) |
| HSV | hsv(188, 65%, 90%) |
| CMYK | cmyk(64.8%, 8.7%, 0%, 9.8%) |
| CIE-LAB | lab(78.20, -29.11, -20.31) |
| CIE-LCH | lch(78.20, 35.50, 214.91°) |
| OKLab | oklab(80.08% -0.0997 -0.0564) |
| OKLCH | oklch(80.08% 0.115 209.5) |
| XYZ | xyz(40.7168, 53.5512, 83.0381) |
| Luminance | 0.5356 (WCAG relative) |
| Temperature | cool |
| Family | teal |
Closest named colors
Aqua Blue
#02D8E9
ΔE00 3.50
Neon Blue
#04D9FF
ΔE00 4.93
Robin'S Egg
#6DEDFD
ΔE00 6.40
Darkturquoise
#00CED1
ΔE00 7.33
Sky Blue
#87CEEB
ΔE00 7.78
Robin Egg Blue
#8AF1FE
ΔE00 7.97
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#51D2E6 #E66551
analogous
#51E6AF #51D2E6 #5187E6
triadic
#51D2E6 #E651D2 #D2E651
tetradic
#51D2E6 #AF51E6 #E66551 #87E651
square
#51D2E6 #AF51E6 #E66551 #87E651
split-complementary
#51D2E6 #E65187 #E6AF51
monochromatic
#1892A5 #1FC1DA #51D2E6 #87E0EE #BCEEF5
Accessibility & contrast
On white
1.79
#51D2E6 on #FFFFFF
AA ✗AA large ✗AAA ✗
On black
11.71
#51D2E6 on #000000
AA ✓AA large ✓AAA ✓
Best text color
#000000 on #51D2E6
11.71:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##51D2E6 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##51D2E6 | 1.00 | 1.79 | 11.71 | 11.71 |
| #FFFFFF | 1.79 | 1.00 | 21.00 | 21.00 |
| #000000 | 11.71 | 21.00 | 1.00 | 1.00 |
| ##000000 | 11.71 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#C0CBE7
Deuteranopia (green-blind)
#AABBE6
Tritanopia (blue-blind)
#00DBD8
Achromatopsia (no color)
#C1C1C1
Design tokens & code
CSS
--color: #51d2e6; /* rgb */ color: rgb(81, 210, 230); /* oklch */ color: oklch(80.1% 0.115 209.5);
Tailwind
colors: {
custom: {
50: '#92e0ee',
500: '#51d2e6',
950: '#000000',
},
}SCSS
$custom: #51d2e6; $custom-light: #92e0ee; $custom-dark: #000000;
JSON
{
"hex": "#51d2e6",
"rgb": {
"r": 81,
"g": 210,
"b": 230
},
"hsl": {
"h": 188.054,
"s": 74.874,
"l": 60.98
},
"oklch": {
"l": 0.80076,
"c": 0.11458,
"h": 209.5
},
"luminance": 0.53556
}Semantic roles & 50–950 ramp
primary
#51D2E6
secondary
#A74434
accent
#290ED7
background
#FCFEFF
surface
#F5FCFE
border
#CFD5D6
text
#0E1516
muted
#7F8485