#51BFBC#51BFBC

#51BFBC is a light, moderate teal. Relative luminance 0.426; OKLCH L 74.1% C 0.100 H 192.7°. Best body text is #000000 at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#51BFBC
RGB	rgb(81, 191, 188)
HSL	hsl(178, 46%, 53%)
HSV	hsv(178, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 1.6%, 25.1%)
CIE-LAB	lab(71.31, -31.80, -7.93)
CIE-LCH	lch(71.31, 32.77, 194.01°)
OKLab	oklab(74.08% -0.0974 -0.022)
OKLCH	oklch(74.08% 0.1 192.7)
XYZ	xyz(31.0973, 42.6386, 54.1584)
Luminance	0.4264 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFBC #BF5154

analogous

#51BF85 #51BFBC #518BBF

triadic

#51BFBC #BC51BF #BFBC51

tetradic

#51BFBC #8551BF #BF5154 #8BBF51

square

#51BFBC #8551BF #BF5154 #8BBF51

split-complementary

#51BFBC #BF518B #BF8551

monochromatic

#286D6B #399A97 #51BFBC #7ECFCD #AAE0DE

Accessibility & contrast

On white

2.20

#51BFBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.53

#51BFBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFBC

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFBC	#FFFFFF	#000000	##000000
##51BFBC	1.00	2.20	9.53	9.53
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.53	21.00	1.00	1.00
##000000	9.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4B6BC

Deuteranopia (green-blind)

#A3A9BD

Tritanopia (blue-blind)

#00C4BE

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51bfbc;
/* rgb */ color: rgb(81, 191, 188);
/* oklch */ color: oklch(74.1% 0.100 192.7);

Tailwind

colors: {
  custom: {
    50: '#8dd2d0',
    500: '#51bfbc',
    950: '#000000',
  },
}

SCSS

$custom: #51bfbc;
$custom-light: #8dd2d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfbc",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 188
  },
  "hsl": {
    "h": 178.364,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.74079,
    "c": 0.09991,
    "h": 192.7
  },
  "luminance": 0.42642
}

Semantic roles & 50–950 ramp

primary

#51BFBC

secondary

#CE9EA0

accent

#5256D6

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BFBC

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

Preview Lab → · Contrast checker → · Palette generator →