#51C7CF#51C7CF

#51C7CF is a light, moderate teal. Relative luminance 0.471; OKLCH L 76.6% C 0.105 H 201.4°. Best body text is #000000 at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#51C7CF
RGB	rgb(81, 199, 207)
HSL	hsl(184, 57%, 56%)
HSV	hsv(184, 61%, 81%)
CMYK	cmyk(60.9%, 3.9%, 0%, 18.8%)
CIE-LAB	lab(74.25, -30.38, -13.88)
CIE-LCH	lch(74.25, 33.40, 204.55°)
OKLab	oklab(76.65% -0.0978 -0.0384)
OKLCH	oklch(76.65% 0.105 201.4)
XYZ	xyz(35.0744, 47.0975, 66.2616)
Luminance	0.4710 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C7CF #CF5951

analogous

#51CF98 #51C7CF #5188CF

triadic

#51C7CF #CF51C7 #C7CF51

tetradic

#51C7CF #9851CF #CF5951 #88CF51

square

#51C7CF #9851CF #CF5951 #88CF51

split-complementary

#51C7CF #CF5188 #CF9851

monochromatic

#247C82 #31AAB2 #51C7CF #81D6DC #B1E6E9

Accessibility & contrast

On white

2.02

#51C7CF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.42

#51C7CF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C7CF

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C7CF	#FFFFFF	#000000	##000000
##51C7CF	1.00	2.02	10.42	10.42
#FFFFFF	2.02	1.00	21.00	21.00
#000000	10.42	21.00	1.00	1.00
##000000	10.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9BFD0

Deuteranopia (green-blind)

#A6B0D0

Tritanopia (blue-blind)

#00CEC9

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51c7cf;
/* rgb */ color: rgb(81, 199, 207);
/* oklch */ color: oklch(76.6% 0.105 201.4);

Tailwind

colors: {
  custom: {
    50: '#8fd8dd',
    500: '#51c7cf',
    950: '#000000',
  },
}

SCSS

$custom: #51c7cf;
$custom-light: #8fd8dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51c7cf",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 207
  },
  "hsl": {
    "h": 183.81,
    "s": 56.757,
    "l": 56.471
  },
  "oklch": {
    "l": 0.76648,
    "c": 0.10512,
    "h": 201.4
  },
  "luminance": 0.47101
}

Semantic roles & 50–950 ramp

primary

#51C7CF

secondary

#D8A7A4

accent

#5148E0

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C7CF

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

Preview Lab → · Contrast checker → · Palette generator →