#51C8CD#51C8CD

#51C8CD is a light, moderate teal. Relative luminance 0.475; OKLCH L 76.8% C 0.106 H 199.1°. Best body text is #000000 at 10.49:1 contrast (WCAG AA passes).

Color values

HEX	#51C8CD
RGB	rgb(81, 200, 205)
HSL	hsl(182, 55%, 56%)
HSV	hsv(182, 60%, 80%)
CMYK	cmyk(60.5%, 2.4%, 0%, 19.6%)
CIE-LAB	lab(74.48, -31.42, -12.45)
CIE-LCH	lch(74.48, 33.80, 201.61°)
OKLab	oklab(76.82% -0.0997 -0.0345)
OKLCH	oklch(76.82% 0.106 199.1)
XYZ	xyz(35.0623, 47.4620, 65.0590)
Luminance	0.4747 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C8CD #CD5651

analogous

#51CD94 #51C8CD #518ACD

triadic

#51C8CD #CD51C8 #C8CD51

tetradic

#51C8CD #9451CD #CD5651 #8ACD51

square

#51C8CD #9451CD #CD5651 #8ACD51

split-complementary

#51C8CD #CD518A #CD9451

monochromatic

#257B7F #32AAAF #51C8CD #81D7DB #B0E6E8

Accessibility & contrast

On white

2.00

#51C8CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.49

#51C8CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C8CD

10.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C8CD	#FFFFFF	#000000	##000000
##51C8CD	1.00	2.00	10.49	10.49
#FFFFFF	2.00	1.00	21.00	21.00
#000000	10.49	21.00	1.00	1.00
##000000	10.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBC0CE

Deuteranopia (green-blind)

#A7B1CE

Tritanopia (blue-blind)

#00CFC9

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #51c8cd;
/* rgb */ color: rgb(81, 200, 205);
/* oklch */ color: oklch(76.8% 0.106 199.1);

Tailwind

colors: {
  custom: {
    50: '#8fd9dc',
    500: '#51c8cd',
    950: '#000000',
  },
}

SCSS

$custom: #51c8cd;
$custom-light: #8fd9dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51c8cd",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 205
  },
  "hsl": {
    "h": 182.419,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.76815,
    "c": 0.10551,
    "h": 199.1
  },
  "luminance": 0.47466
}

Semantic roles & 50–950 ramp

primary

#51C8CD

secondary

#D7A5A3

accent

#4F49DF

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C8CD

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

Preview Lab → · Contrast checker → · Palette generator →