#51BCCB#51BCCB

#51BCCB is a light, moderate teal. Relative luminance 0.420; OKLCH L 73.9% C 0.099 H 207.8°. Best body text is #000000 at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#51BCCB
RGB	rgb(81, 188, 203)
HSL	hsl(187, 54%, 56%)
HSV	hsv(187, 60%, 80%)
CMYK	cmyk(60.1%, 7.4%, 0%, 20.4%)
CIE-LAB	lab(70.89, -26.13, -16.77)
CIE-LCH	lch(70.89, 31.05, 212.69°)
OKLab	oklab(73.89% -0.0879 -0.0464)
OKLCH	oklch(73.89% 0.099 207.8)
XYZ	xyz(32.1516, 42.0243, 62.9054)
Luminance	0.4203 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BCCB #CB6051

analogous

#51CB9D #51BCCB #517FCB

triadic

#51BCCB #CB51BC #BCCB51

tetradic

#51BCCB #9D51CB #CB6051 #7FCB51

square

#51BCCB #9D51CB #CB6051 #7FCB51

split-complementary

#51BCCB #CB517F #CB9D51

monochromatic

#25727C #339DAC #51BCCB #80CED9 #AFE0E7

Accessibility & contrast

On white

2.23

#51BCCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.41

#51BCCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BCCB

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BCCB	#FFFFFF	#000000	##000000
##51BCCB	1.00	2.23	9.41	9.41
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.41	21.00	1.00	1.00
##000000	9.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB5CC

Deuteranopia (green-blind)

#9BA8CB

Tritanopia (blue-blind)

#00C4C0

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bccb;
/* rgb */ color: rgb(81, 188, 203);
/* oklch */ color: oklch(73.9% 0.099 207.8);

Tailwind

colors: {
  custom: {
    50: '#8ed0da',
    500: '#51bccb',
    950: '#000000',
  },
}

SCSS

$custom: #51bccb;
$custom-light: #8ed0da;
$custom-dark: #000000;

JSON

{
  "hex": "#51bccb",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 203
  },
  "hsl": {
    "h": 187.377,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.73894,
    "c": 0.09944,
    "h": 207.8
  },
  "luminance": 0.42028
}

Semantic roles & 50–950 ramp

primary

#51BCCB

secondary

#D5A9A3

accent

#5D4ADD

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #51BCCB

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

Preview Lab → · Contrast checker → · Palette generator →