#51D3CD#51D3CD

#51D3CD is a light, moderate teal. Relative luminance 0.527; OKLCH L 79.4% C 0.113 H 190.8°. Best body text is #000000 at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#51D3CD
RGB	rgb(81, 211, 205)
HSL	hsl(177, 60%, 57%)
HSV	hsv(177, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 2.8%, 17.3%)
CIE-LAB	lab(77.72, -36.60, -7.62)
CIE-LCH	lch(77.72, 37.38, 191.76°)
OKLab	oklab(79.44% -0.1111 -0.0213)
OKLCH	oklch(79.44% 0.113 190.8)
XYZ	xyz(37.7021, 52.7416, 65.9390)
Luminance	0.5275 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3CD #D35157

analogous

#51D38C #51D3CD #5198D3

triadic

#51D3CD #CD51D3 #D3CD51

tetradic

#51D3CD #8C51D3 #D35157 #98D351

square

#51D3CD #8C51D3 #D35157 #98D351

split-complementary

#51D3CD #D35198 #D38C51

monochromatic

#228783 #2FB8B2 #51D3CD #82DFDB #B3ECE9

Accessibility & contrast

On white

1.82

#51D3CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.55

#51D3CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3CD

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3CD	#FFFFFF	#000000	##000000
##51D3CD	1.00	1.82	11.55	11.55
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.55	21.00	1.00	1.00
##000000	11.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7C9CD

Deuteranopia (green-blind)

#B3BACE

Tritanopia (blue-blind)

#00D8D1

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d3cd;
/* rgb */ color: rgb(81, 211, 205);
/* oklch */ color: oklch(79.4% 0.113 190.8);

Tailwind

colors: {
  custom: {
    50: '#90e1dc',
    500: '#51d3cd',
    950: '#000000',
  },
}

SCSS

$custom: #51d3cd;
$custom-light: #90e1dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3cd",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 205
  },
  "hsl": {
    "h": 177.231,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.79435,
    "c": 0.11314,
    "h": 190.8
  },
  "luminance": 0.52746
}

Semantic roles & 50–950 ramp

primary

#51D3CD

secondary

#8E3A3E

accent

#454CE3

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D3CD

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

Preview Lab → · Contrast checker → · Palette generator →