#51BCBE#51BCBE

#51BCBE is a light, moderate teal. Relative luminance 0.414; OKLCH L 73.4% C 0.098 H 196.9°. Best body text is #000000 at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#51BCBE
RGB	rgb(81, 188, 190)
HSL	hsl(181, 46%, 53%)
HSV	hsv(181, 57%, 75%)
CMYK	cmyk(57.4%, 1.1%, 0%, 25.5%)
CIE-LAB	lab(70.48, -29.81, -10.27)
CIE-LCH	lch(70.48, 31.53, 199.01°)
OKLab	oklab(73.43% -0.0934 -0.0284)
OKLCH	oklch(73.43% 0.098 196.9)
XYZ	xyz(30.6669, 41.4304, 55.0859)
Luminance	0.4143 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BCBE #BE5351

analogous

#51BE89 #51BCBE #5185BE

triadic

#51BCBE #BE51BC #BCBE51

tetradic

#51BCBE #8951BE #BE5351 #85BE51

square

#51BCBE #8951BE #BE5351 #85BE51

split-complementary

#51BCBE #BE5185 #BE8951

monochromatic

#286B6C #399799 #51BCBE #7ECDCF #AADEDF

Accessibility & contrast

On white

2.26

#51BCBE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.29

#51BCBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BCBE

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BCBE	#FFFFFF	#000000	##000000
##51BCBE	1.00	2.26	9.29	9.29
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.29	21.00	1.00	1.00
##000000	9.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0B4BE

Deuteranopia (green-blind)

#9FA7BF

Tritanopia (blue-blind)

#00C2BC

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51bcbe;
/* rgb */ color: rgb(81, 188, 190);
/* oklch */ color: oklch(73.4% 0.098 196.9);

Tailwind

colors: {
  custom: {
    50: '#8dd0d1',
    500: '#51bcbe',
    950: '#000000',
  },
}

SCSS

$custom: #51bcbe;
$custom-light: #8dd0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#51bcbe",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 190
  },
  "hsl": {
    "h": 181.101,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.73426,
    "c": 0.09759,
    "h": 196.9
  },
  "luminance": 0.41433
}

Semantic roles & 50–950 ramp

primary

#51BCBE

secondary

#CD9F9E

accent

#5553D5

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1414

muted

#7E8282

Preview Lab

Preview with #51BCBE

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

Preview Lab → · Contrast checker → · Palette generator →