#51D4CB#51D4CB

#51D4CB is a light, moderate teal. Relative luminance 0.531; OKLCH L 79.6% C 0.114 H 188.7°. Best body text is #000000 at 11.63:1 contrast (WCAG AA passes).

Color values

HEX#51D4CB
RGBrgb(81, 212, 203)
HSLhsl(176, 60%, 57%)
HSVhsv(176, 62%, 83%)
CMYKcmyk(61.8%, 0%, 4.2%, 16.9%)
CIE-LABlab(77.96, -37.59, -6.19)
CIE-LCHlch(77.96, 38.10, 189.36°)
OKLaboklab(79.61% -0.113 -0.0174)
OKLCHoklch(79.61% 0.114 188.7)
XYZxyz(37.7115, 53.1441, 64.7587)
Luminance0.5315 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#51D4CB #D4515A
analogous
#51D48A #51D4CB #519BD4
triadic
#51D4CB #CB51D4 #D4CB51
tetradic
#51D4CB #8A51D4 #D4515A #9BD451
square
#51D4CB #8A51D4 #D4515A #9BD451
split-complementary
#51D4CB #D4519B #D48A51
monochromatic
#228982 #2EBAB0 #51D4CB #82E0DA #B3ECE8

Accessibility & contrast

On white

1.81
#51D4CB on #FFFFFF
AA ✗AA large ✗AAA ✗

On black

11.63
#51D4CB on #000000
AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D4CB
11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##51D4CB#FFFFFF#000000##000000
##51D4CB1.001.8111.6311.63
#FFFFFF1.811.0021.0021.00
#00000011.6321.001.001.00
##00000011.6321.001.001.00

Color blindness preview

Protanopia (red-blind)
#C9C9CB
Deuteranopia (green-blind)
#B5BBCC
Tritanopia (blue-blind)
#00D9D1
Achromatopsia (no color)
#C1C1C1

Design tokens & code

CSS
--color: #51d4cb;
/* rgb */ color: rgb(81, 212, 203);
/* oklch */ color: oklch(79.6% 0.114 188.7);
Tailwind
colors: {
  custom: {
    50: '#90e2da',
    500: '#51d4cb',
    950: '#000000',
  },
}
SCSS
$custom: #51d4cb;
$custom-light: #90e2da;
$custom-dark: #000000;
JSON
{
  "hex": "#51d4cb",
  "rgb": {
    "r": 81,
    "g": 212,
    "b": 203
  },
  "hsl": {
    "h": 175.878,
    "s": 60.369,
    "l": 57.451
  },
  "oklch": {
    "l": 0.79609,
    "c": 0.11435,
    "h": 188.7
  },
  "luminance": 0.53148
}

Semantic roles & 50–950 ramp

primary
#51D4CB
secondary
#8F3A40
accent
#444FE4
background
#FCFEFE
surface
#F5FCFB
border
#CFD5D4
text
#0E1514
muted
#7F8483

Preview Lab

Preview with #51D4CB

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →

#51D4CB Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva