#51D5CB#51D5CB

#51D5CB is a light, moderate teal. Relative luminance 0.536; OKLCH L 79.8% C 0.115 H 188.1°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#51D5CB
RGB	rgb(81, 213, 203)
HSL	hsl(175, 61%, 58%)
HSV	hsv(175, 62%, 84%)
CMYK	cmyk(62%, 0%, 4.7%, 16.5%)
CIE-LAB	lab(78.25, -38.05, -5.76)
CIE-LCH	lch(78.25, 38.48, 188.60°)
OKLab	oklab(79.85% -0.114 -0.0162)
OKLCH	oklch(79.85% 0.115 188.1)
XYZ	xyz(37.9622, 53.6456, 64.8423)
Luminance	0.5365 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5CB #D5515B

analogous

#51D589 #51D5CB #519DD5

triadic

#51D5CB #CB51D5 #D5CB51

tetradic

#51D5CB #8951D5 #D5515B #9DD551

square

#51D5CB #8951D5 #D5515B #9DD551

split-complementary

#51D5CB #D5519D #D58951

monochromatic

#218A82 #2DBCB1 #51D5CB #82E1DA #B4EDE8

Accessibility & contrast

On white

1.79

#51D5CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#51D5CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5CB

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5CB	#FFFFFF	#000000	##000000
##51D5CB	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CACACB

Deuteranopia (green-blind)

#B6BBCC

Tritanopia (blue-blind)

#00DAD2

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d5cb;
/* rgb */ color: rgb(81, 213, 203);
/* oklch */ color: oklch(79.8% 0.115 188.1);

Tailwind

colors: {
  custom: {
    50: '#91e2da',
    500: '#51d5cb',
    950: '#000000',
  },
}

SCSS

$custom: #51d5cb;
$custom-light: #91e2da;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5cb",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 203
  },
  "hsl": {
    "h": 175.455,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.79848,
    "c": 0.11519,
    "h": 188.1
  },
  "luminance": 0.5365
}

Semantic roles & 50–950 ramp

primary

#51D5CB

secondary

#903A40

accent

#4450E4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D5CB

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

Preview Lab → · Contrast checker → · Palette generator →