#51BBC8#51BBC8

#51BBC8 is a light, moderate teal. Relative luminance 0.415; OKLCH L 73.5% C 0.098 H 206.3°. Best body text is #000000 at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#51BBC8
RGB	rgb(81, 187, 200)
HSL	hsl(187, 52%, 55%)
HSV	hsv(187, 60%, 78%)
CMYK	cmyk(59.5%, 6.5%, 0%, 21.6%)
CIE-LAB	lab(70.49, -26.50, -15.72)
CIE-LCH	lch(70.49, 30.81, 210.68°)
OKLab	oklab(73.55% -0.0881 -0.0435)
OKLCH	oklch(73.55% 0.098 206.3)
XYZ	xyz(31.5847, 41.4569, 60.9698)
Luminance	0.4146 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BBC8 #C85E51

analogous

#51C89A #51BBC8 #517FC8

triadic

#51BBC8 #C851BB #BBC851

tetradic

#51BBC8 #9A51C8 #C85E51 #7FC851

square

#51BBC8 #9A51C8 #C85E51 #7FC851

split-complementary

#51BBC8 #C8517F #C89A51

monochromatic

#267079 #359BA7 #51BBC8 #80CDD7 #AEDFE5

Accessibility & contrast

On white

2.26

#51BBC8 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.29

#51BBC8 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BBC8

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BBC8	#FFFFFF	#000000	##000000
##51BBC8	1.00	2.26	9.29	9.29
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.29	21.00	1.00	1.00
##000000	9.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ADB4C9

Deuteranopia (green-blind)

#9BA7C8

Tritanopia (blue-blind)

#00C2BF

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #51bbc8;
/* rgb */ color: rgb(81, 187, 200);
/* oklch */ color: oklch(73.5% 0.098 206.3);

Tailwind

colors: {
  custom: {
    50: '#8ecfd8',
    500: '#51bbc8',
    950: '#000000',
  },
}

SCSS

$custom: #51bbc8;
$custom-light: #8ecfd8;
$custom-dark: #000000;

JSON

{
  "hex": "#51bbc8",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 200
  },
  "hsl": {
    "h": 186.555,
    "s": 51.965,
    "l": 55.098
  },
  "oklch": {
    "l": 0.73546,
    "c": 0.09825,
    "h": 206.3
  },
  "luminance": 0.4146
}

Semantic roles & 50–950 ramp

primary

#51BBC8

secondary

#D3A7A1

accent

#5C4CDB

background

#F9FCFD

surface

#F2F9FA

border

#CCD2D3

text

#0D1414

muted

#7E8283

Preview Lab

Preview with #51BBC8

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

Preview Lab → · Contrast checker → · Palette generator →