#51C3CC#51C3CC

#51C3CC is a light, moderate teal. Relative luminance 0.451; OKLCH L 75.6% C 0.103 H 202.4°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#51C3CC
RGB	rgb(81, 195, 204)
HSL	hsl(184, 55%, 56%)
HSV	hsv(184, 60%, 80%)
CMYK	cmyk(60.3%, 4.4%, 0%, 20%)
CIE-LAB	lab(72.98, -29.29, -14.16)
CIE-LCH	lch(72.98, 32.53, 205.80°)
OKLab	oklab(75.59% -0.0949 -0.0392)
OKLCH	oklch(75.59% 0.103 202.4)
XYZ	xyz(33.8029, 45.1357, 64.0456)
Luminance	0.4514 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C3CC #CC5A51

analogous

#51CC97 #51C3CC #5185CC

triadic

#51C3CC #CC51C3 #C3CC51

tetradic

#51C3CC #9751CC #CC5A51 #85CC51

square

#51C3CC #9751CC #CC5A51 #85CC51

split-complementary

#51C3CC #CC5185 #CC9751

monochromatic

#25777E #33A4AD #51C3CC #80D3DA #B0E4E8

Accessibility & contrast

On white

2.09

#51C3CC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#51C3CC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C3CC

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C3CC	#FFFFFF	#000000	##000000
##51C3CC	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5BBCD

Deuteranopia (green-blind)

#A2ADCD

Tritanopia (blue-blind)

#00CAC5

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51c3cc;
/* rgb */ color: rgb(81, 195, 204);
/* oklch */ color: oklch(75.6% 0.103 202.4);

Tailwind

colors: {
  custom: {
    50: '#8fd5db',
    500: '#51c3cc',
    950: '#000000',
  },
}

SCSS

$custom: #51c3cc;
$custom-light: #8fd5db;
$custom-dark: #000000;

JSON

{
  "hex": "#51c3cc",
  "rgb": {
    "r": 81,
    "g": 195,
    "b": 204
  },
  "hsl": {
    "h": 184.39,
    "s": 54.667,
    "l": 55.882
  },
  "oklch": {
    "l": 0.75592,
    "c": 0.10269,
    "h": 202.4
  },
  "luminance": 0.45139
}

Semantic roles & 50–950 ramp

primary

#51C3CC

secondary

#D6A7A3

accent

#554ADE

background

#F9FDFD

surface

#F2FAFB

border

#CCD3D4

text

#0E1415

muted

#7E8383

Preview Lab

Preview with #51C3CC

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

Preview Lab → · Contrast checker → · Palette generator →