#51BCBB#51BCBB

#51BCBB is a light, moderate teal. Relative luminance 0.413; OKLCH L 73.3% C 0.098 H 194.4°. Best body text is #000000 at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#51BCBB
RGB	rgb(81, 188, 187)
HSL	hsl(179, 44%, 53%)
HSV	hsv(179, 57%, 74%)
CMYK	cmyk(56.9%, 0%, 0.5%, 26.3%)
CIE-LAB	lab(70.39, -30.63, -8.76)
CIE-LCH	lch(70.39, 31.86, 195.95°)
OKLab	oklab(73.32% -0.0946 -0.0243)
OKLCH	oklch(73.32% 0.098 194.4)
XYZ	xyz(30.3424, 41.3006, 53.3768)
Luminance	0.4130 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BCBB #BC5152

analogous

#51BC85 #51BCBB #5188BC

triadic

#51BCBB #BB51BC #BCBB51

tetradic

#51BCBB #8551BC #BC5152 #88BC51

square

#51BCBB #8551BC #BC5152 #88BC51

split-complementary

#51BCBB #BC5188 #BC8551

monochromatic

#296A69 #3A9695 #51BCBB #7DCDCC #A9DEDE

Accessibility & contrast

On white

2.27

#51BCBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.26

#51BCBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BCBB

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BCBB	#FFFFFF	#000000	##000000
##51BCBB	1.00	2.27	9.26	9.26
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.26	21.00	1.00	1.00
##000000	9.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B4BB

Deuteranopia (green-blind)

#A0A7BC

Tritanopia (blue-blind)

#00C1BB

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51bcbb;
/* rgb */ color: rgb(81, 188, 187);
/* oklch */ color: oklch(73.3% 0.098 194.4);

Tailwind

colors: {
  custom: {
    50: '#8dd0cf',
    500: '#51bcbb',
    950: '#000000',
  },
}

SCSS

$custom: #51bcbb;
$custom-light: #8dd0cf;
$custom-dark: #000000;

JSON

{
  "hex": "#51bcbb",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 187
  },
  "hsl": {
    "h": 179.439,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.73323,
    "c": 0.09771,
    "h": 194.4
  },
  "luminance": 0.41304
}

Semantic roles & 50–950 ramp

primary

#51BCBB

secondary

#CC9D9E

accent

#5455D4

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BCBB

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

Preview Lab → · Contrast checker → · Palette generator →