#51D3CC#51D3CC

#51D3CC is a light, moderate teal. Relative luminance 0.527; OKLCH L 79.4% C 0.113 H 190.1°. Best body text is #000000 at 11.54:1 contrast (WCAG AA passes).

Color values

HEX	#51D3CC
RGB	rgb(81, 211, 204)
HSL	hsl(177, 60%, 57%)
HSV	hsv(177, 62%, 83%)
CMYK	cmyk(61.6%, 0%, 3.3%, 17.3%)
CIE-LAB	lab(77.69, -36.87, -7.12)
CIE-LCH	lch(77.69, 37.55, 190.94°)
OKLab	oklab(79.4% -0.1116 -0.0199)
OKLCH	oklch(79.4% 0.113 190.1)
XYZ	xyz(37.5818, 52.6935, 65.3053)
Luminance	0.5270 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D3CC #D35158

analogous

#51D38B #51D3CC #5199D3

triadic

#51D3CC #CC51D3 #D3CC51

tetradic

#51D3CC #8B51D3 #D35158 #99D351

square

#51D3CC #8B51D3 #D35158 #99D351

split-complementary

#51D3CC #D35199 #D38B51

monochromatic

#228782 #2FB8B1 #51D3CC #82DFDA #B3ECE9

Accessibility & contrast

On white

1.82

#51D3CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.54

#51D3CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D3CC

11.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D3CC	#FFFFFF	#000000	##000000
##51D3CC	1.00	1.82	11.54	11.54
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.54	21.00	1.00	1.00
##000000	11.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8C9CC

Deuteranopia (green-blind)

#B3BACD

Tritanopia (blue-blind)

#00D8D1

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d3cc;
/* rgb */ color: rgb(81, 211, 204);
/* oklch */ color: oklch(79.4% 0.113 190.1);

Tailwind

colors: {
  custom: {
    50: '#90e1db',
    500: '#51d3cc',
    950: '#000000',
  },
}

SCSS

$custom: #51d3cc;
$custom-light: #90e1db;
$custom-dark: #000000;

JSON

{
  "hex": "#51d3cc",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 204
  },
  "hsl": {
    "h": 176.769,
    "s": 59.633,
    "l": 57.255
  },
  "oklch": {
    "l": 0.79402,
    "c": 0.11332,
    "h": 190.1
  },
  "luminance": 0.52697
}

Semantic roles & 50–950 ramp

primary

#51D3CC

secondary

#8E3A3F

accent

#454DE3

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D3CC

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

Preview Lab → · Contrast checker → · Palette generator →