#51D1CF#51D1CF

#51D1CF is a light, moderate teal. Relative luminance 0.519; OKLCH L 79.0% C 0.111 H 193.7°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#51D1CF
RGB	rgb(81, 209, 207)
HSL	hsl(179, 58%, 57%)
HSV	hsv(179, 61%, 82%)
CMYK	cmyk(61.2%, 0%, 1%, 18%)
CIE-LAB	lab(77.19, -35.13, -9.48)
CIE-LCH	lch(77.19, 36.39, 195.11°)
OKLab	oklab(79.03% -0.1082 -0.0263)
OKLCH	oklch(79.03% 0.111 193.7)
XYZ	xyz(37.4513, 51.8512, 67.0539)
Luminance	0.5185 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D1CF #D15153

analogous

#51D18F #51D1CF #5193D1

triadic

#51D1CF #CF51D1 #D1CF51

tetradic

#51D1CF #8F51D1 #D15153 #93D151

square

#51D1CF #8F51D1 #D15153 #93D151

split-complementary

#51D1CF #D15193 #D18F51

monochromatic

#238583 #30B5B3 #51D1CF #81DEDC #B2EBEA

Accessibility & contrast

On white

1.85

#51D1CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#51D1CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D1CF

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D1CF	#FFFFFF	#000000	##000000
##51D1CF	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5C7CF

Deuteranopia (green-blind)

#B0B8D0

Tritanopia (blue-blind)

#00D7D0

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d1cf;
/* rgb */ color: rgb(81, 209, 207);
/* oklch */ color: oklch(79.0% 0.111 193.7);

Tailwind

colors: {
  custom: {
    50: '#90dfdd',
    500: '#51d1cf',
    950: '#000000',
  },
}

SCSS

$custom: #51d1cf;
$custom-light: #90dfdd;
$custom-dark: #000000;

JSON

{
  "hex": "#51d1cf",
  "rgb": {
    "r": 81,
    "g": 209,
    "b": 207
  },
  "hsl": {
    "h": 179.063,
    "s": 58.182,
    "l": 56.863
  },
  "oklch": {
    "l": 0.79025,
    "c": 0.11137,
    "h": 193.7
  },
  "luminance": 0.51855
}

Semantic roles & 50–950 ramp

primary

#51D1CF

secondary

#8B3B3C

accent

#4649E1

background

#FCFEFE

surface

#F5FCFC

border

#CFD5D5

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D1CF

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

Preview Lab → · Contrast checker → · Palette generator →