#51BBCA#51BBCA

#51BBCA is a light, moderate teal. Relative luminance 0.416; OKLCH L 73.6% C 0.099 H 207.9°. Best body text is #000000 at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#51BBCA
RGB	rgb(81, 187, 202)
HSL	hsl(187, 53%, 55%)
HSV	hsv(187, 60%, 79%)
CMYK	cmyk(59.9%, 7.4%, 0%, 20.8%)
CIE-LAB	lab(70.56, -25.92, -16.71)
CIE-LCH	lch(70.56, 30.84, 212.81°)
OKLab	oklab(73.62% -0.0873 -0.0463)
OKLCH	oklch(73.62% 0.099 207.9)
XYZ	xyz(31.8199, 41.5510, 62.2089)
Luminance	0.4155 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BBCA #CA6051

analogous

#51CA9C #51BBCA #517ECA

triadic

#51BBCA #CA51BB #BBCA51

tetradic

#51BBCA #9C51CA #CA6051 #7ECA51

square

#51BBCA #9C51CA #CA6051 #7ECA51

split-complementary

#51BBCA #CA517E #CA9C51

monochromatic

#25707B #349BAA #51BBCA #80CDD8 #AFE0E7

Accessibility & contrast

On white

2.26

#51BBCA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.31

#51BBCA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBCA

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BBCA	#FFFFFF	#000000	##000000
##51BBCA	1.00	2.26	9.31	9.31
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.31	21.00	1.00	1.00
##000000	9.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB4CB

Deuteranopia (green-blind)

#9AA7CA

Tritanopia (blue-blind)

#00C3BF

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bbca;
/* rgb */ color: rgb(81, 187, 202);
/* oklch */ color: oklch(73.6% 0.099 207.9);

Tailwind

colors: {
  custom: {
    50: '#8ecfda',
    500: '#51bbca',
    950: '#000000',
  },
}

SCSS

$custom: #51bbca;
$custom-light: #8ecfda;
$custom-dark: #000000;

JSON

{
  "hex": "#51bbca",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 202
  },
  "hsl": {
    "h": 187.438,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.7362,
    "c": 0.0988,
    "h": 207.9
  },
  "luminance": 0.41554
}

Semantic roles & 50–950 ramp

primary

#51BBCA

secondary

#D5A8A2

accent

#5D4BDD

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #51BBCA

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

Preview Lab → · Contrast checker → · Palette generator →