#51D5CC#51D5CC

#51D5CC is a light, moderate teal. Relative luminance 0.537; OKLCH L 79.9% C 0.115 H 188.8°. Best body text is #000000 at 11.74:1 contrast (WCAG AA passes).

Color values

HEX	#51D5CC
RGB	rgb(81, 213, 204)
HSL	hsl(176, 61%, 58%)
HSV	hsv(176, 62%, 84%)
CMYK	cmyk(62%, 0%, 4.2%, 16.5%)
CIE-LAB	lab(78.28, -37.78, -6.25)
CIE-LCH	lch(78.28, 38.30, 189.40°)
OKLab	oklab(79.88% -0.1136 -0.0175)
OKLCH	oklch(79.88% 0.115 188.8)
XYZ	xyz(38.0818, 53.6934, 65.4719)
Luminance	0.5370 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D5CC #D5515A

analogous

#51D58A #51D5CC #519CD5

triadic

#51D5CC #CC51D5 #D5CC51

tetradic

#51D5CC #8A51D5 #D5515A #9CD551

square

#51D5CC #8A51D5 #D5515A #9CD551

split-complementary

#51D5CC #D5519C #D58A51

monochromatic

#218A83 #2DBCB2 #51D5CC #82E1DA #B4EDE9

Accessibility & contrast

On white

1.79

#51D5CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.74

#51D5CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D5CC

11.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D5CC	#FFFFFF	#000000	##000000
##51D5CC	1.00	1.79	11.74	11.74
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.74	21.00	1.00	1.00
##000000	11.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CACACC

Deuteranopia (green-blind)

#B6BBCD

Tritanopia (blue-blind)

#00DAD2

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51d5cc;
/* rgb */ color: rgb(81, 213, 204);
/* oklch */ color: oklch(79.9% 0.115 188.8);

Tailwind

colors: {
  custom: {
    50: '#91e2db',
    500: '#51d5cc',
    950: '#000000',
  },
}

SCSS

$custom: #51d5cc;
$custom-light: #91e2db;
$custom-dark: #000000;

JSON

{
  "hex": "#51d5cc",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 204
  },
  "hsl": {
    "h": 175.909,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.7988,
    "c": 0.11495,
    "h": 188.8
  },
  "luminance": 0.53697
}

Semantic roles & 50–950 ramp

primary

#51D5CC

secondary

#903A40

accent

#444FE4

background

#FCFEFE

surface

#F5FCFB

border

#CFD5D4

text

#0E1515

muted

#7F8484

Preview Lab

Preview with #51D5CC

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

Preview Lab → · Contrast checker → · Palette generator →