#51C8BF#51C8BF

#51C8BF is a light, moderate teal. Relative luminance 0.468; OKLCH L 76.3% C 0.107 H 188.3°. Best body text is #000000 at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#51C8BF
RGB	rgb(81, 200, 191)
HSL	hsl(175, 52%, 55%)
HSV	hsv(175, 60%, 78%)
CMYK	cmyk(59.5%, 0%, 4.5%, 21.6%)
CIE-LAB	lab(74.07, -35.24, -5.47)
CIE-LCH	lch(74.07, 35.66, 188.82°)
OKLab	oklab(76.35% -0.1057 -0.0154)
OKLCH	oklch(76.35% 0.107 188.3)
XYZ	xyz(33.4474, 46.8160, 56.5538)
Luminance	0.4682 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C8BF #C8515A

analogous

#51C883 #51C8BF #5196C8

triadic

#51C8BF #BF51C8 #C8BF51

tetradic

#51C8BF #8351C8 #C8515A #96C851

square

#51C8BF #8351C8 #C8515A #96C851

split-complementary

#51C8BF #C85196 #C88351

monochromatic

#267972 #35A79E #51C8BF #80D7D0 #AEE5E1

Accessibility & contrast

On white

2.03

#51C8BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.36

#51C8BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8BF

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C8BF	#FFFFFF	#000000	##000000
##51C8BF	1.00	2.03	10.36	10.36
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.36	21.00	1.00	1.00
##000000	10.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEBEBF

Deuteranopia (green-blind)

#ABB0C0

Tritanopia (blue-blind)

#00CDC5

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51c8bf;
/* rgb */ color: rgb(81, 200, 191);
/* oklch */ color: oklch(76.3% 0.107 188.3);

Tailwind

colors: {
  custom: {
    50: '#8ed9d2',
    500: '#51c8bf',
    950: '#000000',
  },
}

SCSS

$custom: #51c8bf;
$custom-light: #8ed9d2;
$custom-dark: #000000;

JSON

{
  "hex": "#51c8bf",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 191
  },
  "hsl": {
    "h": 175.462,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.76345,
    "c": 0.10684,
    "h": 188.3
  },
  "luminance": 0.46819
}

Semantic roles & 50–950 ramp

primary

#51C8BF

secondary

#D3A1A5

accent

#4C57DB

background

#F9FDFC

surface

#F2FAF9

border

#CCD3D2

text

#0D1414

muted

#7E8382

Preview Lab

Preview with #51C8BF

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

Preview Lab → · Contrast checker → · Palette generator →