#51D1BF#51D1BF

#51D1BF is a light, moderate teal. Relative luminance 0.511; OKLCH L 78.5% C 0.115 H 182.4°. Best body text is #000000 at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#51D1BF
RGB	rgb(81, 209, 191)
HSL	hsl(172, 58%, 57%)
HSV	hsv(172, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 8.6%, 18%)
CIE-LAB	lab(76.74, -39.36, -1.54)
CIE-LCH	lch(76.74, 39.39, 182.24°)
OKLab	oklab(78.51% -0.1152 -0.0048)
OKLCH	oklch(78.51% 0.115 182.4)
XYZ	xyz(35.5935, 51.1081, 57.2692)
Luminance	0.5111 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1BF #D15163

analogous

#51D17F #51D1BF #51A3D1

triadic

#51D1BF #BF51D1 #D1BF51

tetradic

#51D1BF #7F51D1 #D15163 #A3D151

square

#51D1BF #7F51D1 #D15163 #A3D151

split-complementary

#51D1BF #D151A3 #D17F51

monochromatic

#238577 #30B5A2 #51D1BF #81DED1 #B2EBE3

Accessibility & contrast

On white

1.87

#51D1BF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.22

#51D1BF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1BF

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1BF	#FFFFFF	#000000	##000000
##51D1BF	1.00	1.87	11.22	11.22
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.22	21.00	1.00	1.00
##000000	11.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C8C6BE

Deuteranopia (green-blind)

#B5B8C1

Tritanopia (blue-blind)

#00D5CB

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d1bf;
/* rgb */ color: rgb(81, 209, 191);
/* oklch */ color: oklch(78.5% 0.115 182.4);

Tailwind

colors: {
  custom: {
    50: '#8fdfd2',
    500: '#51d1bf',
    950: '#000000',
  },
}

SCSS

$custom: #51d1bf;
$custom-light: #8fdfd2;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1bf",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 191
  },
  "hsl": {
    "h": 171.563,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.78513,
    "c": 0.11528,
    "h": 182.4
  },
  "luminance": 0.51112
}

Semantic roles & 50–950 ramp

primary

#51D1BF

secondary

#8B3B46

accent

#465CE1

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1514

muted

#7F8483

Preview Lab

Preview with #51D1BF

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

Preview Lab → · Contrast checker → · Palette generator →