#51BCBC#51BCBC

#51BCBC is a light, moderate teal. Relative luminance 0.413; OKLCH L 73.4% C 0.098 H 195.2°. Best body text is #000000 at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#51BCBC
RGB	rgb(81, 188, 188)
HSL	hsl(180, 44%, 53%)
HSV	hsv(180, 57%, 74%)
CMYK	cmyk(56.9%, 0%, 0%, 26.3%)
CIE-LAB	lab(70.42, -30.36, -9.26)
CIE-LCH	lch(70.42, 31.74, 196.97°)
OKLab	oklab(73.36% -0.0942 -0.0257)
OKLCH	oklch(73.36% 0.098 195.2)
XYZ	xyz(30.4498, 41.3435, 53.9426)
Luminance	0.4135 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BCBC #BC5151

analogous

#51BC86 #51BCBC #5186BC

triadic

#51BCBC #BC51BC #BCBC51

tetradic

#51BCBC #8651BC #BC5151 #86BC51

square

#51BCBC #8651BC #BC5151 #86BC51

split-complementary

#51BCBC #BC5186 #BC8651

monochromatic

#296A6A #3A9696 #51BCBC #7DCDCD #A9DEDE

Accessibility & contrast

On white

2.27

#51BCBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.27

#51BCBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BCBC

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BCBC	#FFFFFF	#000000	##000000
##51BCBC	1.00	2.27	9.27	9.27
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.27	21.00	1.00	1.00
##000000	9.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B4BC

Deuteranopia (green-blind)

#9FA7BD

Tritanopia (blue-blind)

#00C1BC

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51bcbc;
/* rgb */ color: rgb(81, 188, 188);
/* oklch */ color: oklch(73.4% 0.098 195.2);

Tailwind

colors: {
  custom: {
    50: '#8dd0d0',
    500: '#51bcbc',
    950: '#000000',
  },
}

SCSS

$custom: #51bcbc;
$custom-light: #8dd0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51bcbc",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 188
  },
  "hsl": {
    "h": 180,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.73358,
    "c": 0.09765,
    "h": 195.2
  },
  "luminance": 0.41347
}

Semantic roles & 50–950 ramp

primary

#51BCBC

secondary

#CC9D9D

accent

#5454D4

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BCBC

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

Preview Lab → · Contrast checker → · Palette generator →