#51D5CE#51D5CE

#51D5CE is a light, moderate teal. Relative luminance 0.538; OKLCH L 79.9% C 0.115 H 190.2°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#51D5CE
RGB	rgb(81, 213, 206)
HSL	hsl(177, 61%, 58%)
HSV	hsv(177, 62%, 84%)
CMYK	cmyk(62%, 0%, 3.3%, 16.5%)
CIE-LAB	lab(78.34, -37.25, -7.24)
CIE-LCH	lch(78.34, 37.95, 191.00°)
OKLab	oklab(79.94% -0.1127 -0.0202)
OKLCH	oklch(79.94% 0.115 190.2)
XYZ	xyz(38.3232, 53.7899, 66.7434)
Luminance	0.5379 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5CE #D55158

analogous

#51D58C #51D5CE #519AD5

triadic

#51D5CE #CE51D5 #D5CE51

tetradic

#51D5CE #8C51D5 #D55158 #9AD551

square

#51D5CE #8C51D5 #D55158 #9AD551

split-complementary

#51D5CE #D5519A #D58C51

monochromatic

#218A85 #2DBCB4 #51D5CE #82E1DC #B4EDEA

Accessibility & contrast

On white

1.79

#51D5CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#51D5CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5CE

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5CE	#FFFFFF	#000000	##000000
##51D5CE	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9CACE

Deuteranopia (green-blind)

#B5BBCF

Tritanopia (blue-blind)

#00DAD3

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d5ce;
/* rgb */ color: rgb(81, 213, 206);
/* oklch */ color: oklch(79.9% 0.115 190.2);

Tailwind

colors: {
  custom: {
    50: '#91e2dc',
    500: '#51d5ce',
    950: '#000000',
  },
}

SCSS

$custom: #51d5ce;
$custom-light: #91e2dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5ce",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 206
  },
  "hsl": {
    "h": 176.818,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79945,
    "c": 0.11455,
    "h": 190.2
  },
  "luminance": 0.53794
}

Semantic roles & 50–950 ramp

primary

#51D5CE

secondary

#903A3E

accent

#444CE4

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D5CE

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

Preview Lab → · Contrast checker → · Palette generator →