#51C0CD#51C0CD

#51C0CD is a light, moderate teal. Relative luminance 0.439; OKLCH L 74.9% C 0.102 H 205.9°. Best body text is #000000 at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#51C0CD
RGB	rgb(81, 192, 205)
HSL	hsl(186, 55%, 56%)
HSV	hsv(186, 60%, 80%)
CMYK	cmyk(60.5%, 6.3%, 0%, 19.6%)
CIE-LAB	lab(72.13, -27.54, -15.98)
CIE-LCH	lch(72.13, 31.84, 210.13°)
OKLab	oklab(74.92% -0.0913 -0.0443)
OKLCH	oklch(74.92% 0.102 205.9)
XYZ	xyz(33.2578, 43.8529, 64.4575)
Luminance	0.4386 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C0CD #CD5E51

analogous

#51CD9C #51C0CD #5182CD

triadic

#51C0CD #CD51C0 #C0CD51

tetradic

#51C0CD #9C51CD #CD5E51 #82CD51

square

#51C0CD #9C51CD #CD5E51 #82CD51

split-complementary

#51C0CD #CD5182 #CD9C51

monochromatic

#25767F #32A2AF #51C0CD #81D1DB #B0E2E8

Accessibility & contrast

On white

2.15

#51C0CD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.77

#51C0CD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C0CD

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C0CD	#FFFFFF	#000000	##000000
##51C0CD	1.00	2.15	9.77	9.77
#FFFFFF	2.15	1.00	21.00	21.00
#000000	9.77	21.00	1.00	1.00
##000000	9.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B1B9CE

Deuteranopia (green-blind)

#9FABCD

Tritanopia (blue-blind)

#00C7C4

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #51c0cd;
/* rgb */ color: rgb(81, 192, 205);
/* oklch */ color: oklch(74.9% 0.102 205.9);

Tailwind

colors: {
  custom: {
    50: '#8fd3dc',
    500: '#51c0cd',
    950: '#000000',
  },
}

SCSS

$custom: #51c0cd;
$custom-light: #8fd3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#51c0cd",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 205
  },
  "hsl": {
    "h": 186.29,
    "s": 55.357,
    "l": 56.078
  },
  "oklch": {
    "l": 0.74916,
    "c": 0.1015,
    "h": 205.9
  },
  "luminance": 0.43856
}

Semantic roles & 50–950 ramp

primary

#51C0CD

secondary

#D7A9A3

accent

#5949DF

background

#F9FCFD

surface

#F2F9FB

border

#CCD2D4

text

#0D1415

muted

#7E8283

Preview Lab

Preview with #51C0CD

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

Preview Lab → · Contrast checker → · Palette generator →