#51D2CF#51D2CF

#51D2CF is a light, moderate teal. Relative luminance 0.523; OKLCH L 79.3% C 0.112 H 193.0°. Best body text is #000000 at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#51D2CF
RGB	rgb(81, 210, 207)
HSL	hsl(179, 59%, 57%)
HSV	hsv(179, 61%, 82%)
CMYK	cmyk(61.4%, 0%, 1.4%, 17.6%)
CIE-LAB	lab(77.49, -35.59, -9.04)
CIE-LCH	lch(77.49, 36.73, 194.26°)
OKLab	oklab(79.26% -0.1092 -0.0251)
OKLCH	oklch(79.26% 0.112 193)
XYZ	xyz(37.6974, 52.3435, 67.1360)
Luminance	0.5235 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D2CF #D25154

analogous

#51D28F #51D2CF #5194D2

triadic

#51D2CF #CF51D2 #D2CF51

tetradic

#51D2CF #8F51D2 #D25154 #94D251

square

#51D2CF #8F51D2 #D25154 #94D251

split-complementary

#51D2CF #D25194 #D28F51

monochromatic

#238684 #2FB7B3 #51D2CF #82DFDC #B2EBEA

Accessibility & contrast

On white

1.83

#51D2CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.47

#51D2CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D2CF

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D2CF	#FFFFFF	#000000	##000000
##51D2CF	1.00	1.83	11.47	11.47
#FFFFFF	1.83	1.00	21.00	21.00
#000000	11.47	21.00	1.00	1.00
##000000	11.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6C8CF

Deuteranopia (green-blind)

#B2B9D0

Tritanopia (blue-blind)

#00D8D1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d2cf;
/* rgb */ color: rgb(81, 210, 207);
/* oklch */ color: oklch(79.3% 0.112 193.0);

Tailwind

colors: {
  custom: {
    50: '#90e0dd',
    500: '#51d2cf',
    950: '#000000',
  },
}

SCSS

$custom: #51d2cf;
$custom-light: #90e0dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51d2cf",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 207
  },
  "hsl": {
    "h": 178.605,
    "s": 58.904,
    "l": 57.059
  },
  "oklch": {
    "l": 0.79263,
    "c": 0.1121,
    "h": 193
  },
  "luminance": 0.52348
}

Semantic roles & 50–950 ramp

primary

#51D2CF

secondary

#8D3B3C

accent

#4649E2

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D2CF

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

Preview Lab → · Contrast checker → · Palette generator →