#51C3CE#51C3CE

#51C3CE is a light, moderate teal. Relative luminance 0.452; OKLCH L 75.7% C 0.103 H 204.0°. Best body text is #000000 at 10.05:1 contrast (WCAG AA passes).

Color values

HEX	#51C3CE
RGB	rgb(81, 195, 206)
HSL	hsl(185, 56%, 56%)
HSV	hsv(185, 61%, 81%)
CMYK	cmyk(60.7%, 5.3%, 0%, 19.2%)
CIE-LAB	lab(73.04, -28.72, -15.15)
CIE-LCH	lch(73.04, 32.47, 207.81°)
OKLab	oklab(75.66% -0.0941 -0.0419)
OKLCH	oklch(75.66% 0.103 204)
XYZ	xyz(34.0443, 45.2322, 65.3171)
Luminance	0.4524 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C3CE #CE5C51

analogous

#51CE9B #51C3CE #5185CE

triadic

#51C3CE #CE51C3 #C3CE51

tetradic

#51C3CE #9B51CE #CE5C51 #85CE51

square

#51C3CE #9B51CE #CE5C51 #85CE51

split-complementary

#51C3CE #CE5185 #CE9B51

monochromatic

#247880 #32A5B0 #51C3CE #81D3DB #B1E4E9

Accessibility & contrast

On white

2.09

#51C3CE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.05

#51C3CE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C3CE

10.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C3CE	#FFFFFF	#000000	##000000
##51C3CE	1.00	2.09	10.05	10.05
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.05	21.00	1.00	1.00
##000000	10.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5BBCF

Deuteranopia (green-blind)

#A2ADCE

Tritanopia (blue-blind)

#00CAC6

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51c3ce;
/* rgb */ color: rgb(81, 195, 206);
/* oklch */ color: oklch(75.7% 0.103 204.0);

Tailwind

colors: {
  custom: {
    50: '#8fd5dd',
    500: '#51c3ce',
    950: '#000000',
  },
}

SCSS

$custom: #51c3ce;
$custom-light: #8fd5dd;
$custom-dark: #000000;

JSON

{
  "hex": "#51c3ce",
  "rgb": {
    "r": 81,
    "g": 195,
    "b": 206
  },
  "hsl": {
    "h": 185.28,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.75664,
    "c": 0.10301,
    "h": 204
  },
  "luminance": 0.45236
}

Semantic roles & 50–950 ramp

primary

#51C3CE

secondary

#D7A8A4

accent

#5648DF

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C3CE

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

Preview Lab → · Contrast checker → · Palette generator →