#51D1CE#51D1CE

#51D1CE is a light, moderate teal. Relative luminance 0.518; OKLCH L 79.0% C 0.111 H 192.9°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#51D1CE
RGB	rgb(81, 209, 206)
HSL	hsl(179, 58%, 57%)
HSV	hsv(179, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 1.4%, 18%)
CIE-LAB	lab(77.16, -35.40, -8.99)
CIE-LCH	lch(77.16, 36.52, 194.25°)
OKLab	oklab(78.99% -0.1086 -0.025)
OKLCH	oklch(78.99% 0.111 192.9)
XYZ	xyz(37.3295, 51.8025, 66.4121)
Luminance	0.5181 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1CE #D15154

analogous

#51D18E #51D1CE #5194D1

triadic

#51D1CE #CE51D1 #D1CE51

tetradic

#51D1CE #8E51D1 #D15154 #94D151

square

#51D1CE #8E51D1 #D15154 #94D151

split-complementary

#51D1CE #D15194 #D18E51

monochromatic

#238582 #30B5B2 #51D1CE #81DEDC #B2EBE9

Accessibility & contrast

On white

1.85

#51D1CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.36

#51D1CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1CE

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1CE	#FFFFFF	#000000	##000000
##51D1CE	1.00	1.85	11.36	11.36
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.36	21.00	1.00	1.00
##000000	11.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5C7CE

Deuteranopia (green-blind)

#B1B8CF

Tritanopia (blue-blind)

#00D7D0

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d1ce;
/* rgb */ color: rgb(81, 209, 206);
/* oklch */ color: oklch(79.0% 0.111 192.9);

Tailwind

colors: {
  custom: {
    50: '#90dfdc',
    500: '#51d1ce',
    950: '#000000',
  },
}

SCSS

$custom: #51d1ce;
$custom-light: #90dfdc;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1ce",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 206
  },
  "hsl": {
    "h": 178.594,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78991,
    "c": 0.11147,
    "h": 192.9
  },
  "luminance": 0.51806
}

Semantic roles & 50–950 ramp

primary

#51D1CE

secondary

#8B3B3D

accent

#464AE1

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D1CE

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

Preview Lab → · Contrast checker → · Palette generator →