#51D3CB#51D3CB

#51D3CB is a light, moderate teal. Relative luminance 0.526; OKLCH L 79.4% C 0.114 H 189.4°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#51D3CB
RGB	rgb(81, 211, 203)
HSL	hsl(176, 60%, 57%)
HSV	hsv(176, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 3.8%, 17.3%)
CIE-LAB	lab(77.67, -37.13, -6.63)
CIE-LCH	lch(77.67, 37.72, 190.12°)
OKLab	oklab(79.37% -0.112 -0.0185)
OKLCH	oklch(79.37% 0.114 189.4)
XYZ	xyz(37.4623, 52.6457, 64.6756)
Luminance	0.5265 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3CB #D35159

analogous

#51D38A #51D3CB #519AD3

triadic

#51D3CB #CB51D3 #D3CB51

tetradic

#51D3CB #8A51D3 #D35159 #9AD351

square

#51D3CB #8A51D3 #D35159 #9AD351

split-complementary

#51D3CB #D3519A #D38A51

monochromatic

#228781 #2FB8B0 #51D3CB #82DFDA #B3ECE8

Accessibility & contrast

On white

1.82

#51D3CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.53

#51D3CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3CB

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3CB	#FFFFFF	#000000	##000000
##51D3CB	1.00	1.82	11.53	11.53
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.53	21.00	1.00	1.00
##000000	11.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8C9CB

Deuteranopia (green-blind)

#B4BACC

Tritanopia (blue-blind)

#00D8D0

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d3cb;
/* rgb */ color: rgb(81, 211, 203);
/* oklch */ color: oklch(79.4% 0.114 189.4);

Tailwind

colors: {
  custom: {
    50: '#90e1da',
    500: '#51d3cb',
    950: '#000000',
  },
}

SCSS

$custom: #51d3cb;
$custom-light: #90e1da;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3cb",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 203
  },
  "hsl": {
    "h": 176.308,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.7937,
    "c": 0.11352,
    "h": 189.4
  },
  "luminance": 0.5265
}

Semantic roles & 50–950 ramp

primary

#51D3CB

secondary

#8E3A3F

accent

#454FE3

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D3CB

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

Preview Lab → · Contrast checker → · Palette generator →