#51CBBF#51CBBF

#51CBBF is a light, moderate teal. Relative luminance 0.482; OKLCH L 77.1% C 0.110 H 186.2°. Best body text is #000000 at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#51CBBF
RGB	rgb(81, 203, 191)
HSL	hsl(174, 54%, 56%)
HSV	hsv(174, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 5.9%, 20.4%)
CIE-LAB	lab(74.96, -36.63, -4.16)
CIE-LCH	lch(74.96, 36.86, 186.47°)
OKLab	oklab(77.07% -0.1089 -0.0118)
OKLCH	oklch(77.07% 0.11 186.2)
XYZ	xyz(34.1490, 48.2192, 56.7877)
Luminance	0.4822 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBBF #CB515D

analogous

#51CB82 #51CBBF #519ACB

triadic

#51CBBF #BF51CB #CBBF51

tetradic

#51CBBF #8251CB #CB515D #9ACB51

square

#51CBBF #8251CB #CB515D #9ACB51

split-complementary

#51CBBF #CB519A #CB8251

monochromatic

#257C74 #33ACA0 #51CBBF #80D9D0 #AFE7E2

Accessibility & contrast

On white

1.97

#51CBBF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.64

#51CBBF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBBF

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBBF	#FFFFFF	#000000	##000000
##51CBBF	1.00	1.97	10.64	10.64
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.64	21.00	1.00	1.00
##000000	10.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1C1BF

Deuteranopia (green-blind)

#AEB3C0

Tritanopia (blue-blind)

#00CFC7

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51cbbf;
/* rgb */ color: rgb(81, 203, 191);
/* oklch */ color: oklch(77.1% 0.110 186.2);

Tailwind

colors: {
  custom: {
    50: '#8fdbd2',
    500: '#51cbbf',
    950: '#000000',
  },
}

SCSS

$custom: #51cbbf;
$custom-light: #8fdbd2;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbbf",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 191
  },
  "hsl": {
    "h": 174.098,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.77067,
    "c": 0.10954,
    "h": 186.2
  },
  "luminance": 0.48223
}

Semantic roles & 50–950 ramp

primary

#51CBBF

secondary

#D5A3A8

accent

#4A59DD

background

#F9FDFC

surface

#F2FBF9

border

#CCD4D2

text

#0D1514

muted

#7E8382

Preview Lab

Preview with #51CBBF

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

Preview Lab → · Contrast checker → · Palette generator →