#51BFBE#51BFBE

#51BFBE is a light, moderate teal. Relative luminance 0.427; OKLCH L 74.1% C 0.100 H 194.4°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#51BFBE
RGB	rgb(81, 191, 190)
HSL	hsl(179, 46%, 53%)
HSV	hsv(179, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 0.5%, 25.1%)
CIE-LAB	lab(71.37, -31.25, -8.94)
CIE-LCH	lch(71.37, 32.51, 195.96°)
OKLab	oklab(74.15% -0.0966 -0.0248)
OKLCH	oklch(74.15% 0.1 194.4)
XYZ	xyz(31.3144, 42.7255, 55.3018)
Luminance	0.4273 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFBE #BF5152

analogous

#51BF87 #51BFBE #5189BF

triadic

#51BFBE #BE51BF #BFBE51

tetradic

#51BFBE #8751BF #BF5152 #89BF51

square

#51BFBE #8751BF #BF5152 #89BF51

split-complementary

#51BFBE #BF5189 #BF8751

monochromatic

#286D6D #399A99 #51BFBE #7ECFCF #AAE0DF

Accessibility & contrast

On white

2.20

#51BFBE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.55

#51BFBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFBE

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFBE	#FFFFFF	#000000	##000000
##51BFBE	1.00	2.20	9.55	9.55
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.55	21.00	1.00	1.00
##000000	9.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4B6BE

Deuteranopia (green-blind)

#A2A9BF

Tritanopia (blue-blind)

#00C4BE

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51bfbe;
/* rgb */ color: rgb(81, 191, 190);
/* oklch */ color: oklch(74.1% 0.100 194.4);

Tailwind

colors: {
  custom: {
    50: '#8dd2d1',
    500: '#51bfbe',
    950: '#000000',
  },
}

SCSS

$custom: #51bfbe;
$custom-light: #8dd2d1;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfbe",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 190
  },
  "hsl": {
    "h": 179.455,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.74147,
    "c": 0.09971,
    "h": 194.4
  },
  "luminance": 0.42729
}

Semantic roles & 50–950 ramp

primary

#51BFBE

secondary

#CE9E9F

accent

#5253D6

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1414

muted

#7E8282

Preview Lab

Preview with #51BFBE

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

Preview Lab → · Contrast checker → · Palette generator →