#51BBBC#51BBBC

#51BBBC is a light, moderate teal. Relative luminance 0.409; OKLCH L 73.1% C 0.097 H 196.1°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#51BBBC
RGB	rgb(81, 187, 188)
HSL	hsl(181, 44%, 53%)
HSV	hsv(181, 57%, 74%)
CMYK	cmyk(56.9%, 0.5%, 0%, 26.3%)
CIE-LAB	lab(70.12, -29.87, -9.70)
CIE-LCH	lch(70.12, 31.41, 198.00°)
OKLab	oklab(73.12% -0.0931 -0.0269)
OKLCH	oklch(73.12% 0.097 196.1)
XYZ	xyz(30.2369, 40.9178, 53.8716)
Luminance	0.4092 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BBBC #BC5251

analogous

#51BC88 #51BBBC #5185BC

triadic

#51BBBC #BC51BB #BBBC51

tetradic

#51BBBC #8851BC #BC5251 #85BC51

square

#51BBBC #8851BC #BC5251 #85BC51

split-complementary

#51BBBC #BC5185 #BC8851

monochromatic

#29696A #3A9596 #51BBBC #7DCCCD #A9DEDE

Accessibility & contrast

On white

2.29

#51BBBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#51BBBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBBC

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BBBC	#FFFFFF	#000000	##000000
##51BBBC	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B3BC

Deuteranopia (green-blind)

#9EA6BD

Tritanopia (blue-blind)

#00C1BB

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51bbbc;
/* rgb */ color: rgb(81, 187, 188);
/* oklch */ color: oklch(73.1% 0.097 196.1);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#51bbbc",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 188
  },
  "hsl": {
    "h": 180.561,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.73117,
    "c": 0.09694,
    "h": 196.1
  },
  "luminance": 0.40921
}

Semantic roles & 50–950 ramp

primary

#51BBBC

secondary

#CC9E9D

accent

#5554D4

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BBBC

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

Preview Lab → · Contrast checker → · Palette generator →