#51AFBC#51AFBC

#51AFBC is a light, moderate teal. Relative luminance 0.360; OKLCH L 70.2% C 0.090 H 207.5°. Best body text is #000000 at 8.21:1 contrast (WCAG AA passes).

Color values

HEX	#51AFBC
RGB	rgb(81, 175, 188)
HSL	hsl(187, 44%, 53%)
HSV	hsv(187, 57%, 74%)
CMYK	cmyk(56.9%, 6.9%, 0%, 26.3%)
CIE-LAB	lab(66.55, -23.93, -15.06)
CIE-LCH	lch(66.55, 28.27, 212.19°)
OKLab	oklab(70.24% -0.08 -0.0417)
OKLCH	oklch(70.24% 0.09 207.5)
XYZ	xyz(27.7967, 36.0374, 53.0582)
Luminance	0.3604 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AFBC #BC5E51

analogous

#51BC94 #51AFBC #5179BC

triadic

#51AFBC #BC51AF #AFBC51

tetradic

#51AFBC #9451BC #BC5E51 #79BC51

square

#51AFBC #9451BC #BC5E51 #79BC51

split-complementary

#51AFBC #BC5179 #BC9451

monochromatic

#29626A #3A8B96 #51AFBC #7DC3CD #A9D8DE

Accessibility & contrast

On white

2.56

#51AFBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.21

#51AFBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AFBC

8.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AFBC	#FFFFFF	#000000	##000000
##51AFBC	1.00	2.56	8.21	8.21
#FFFFFF	2.56	1.00	21.00	21.00
#000000	8.21	21.00	1.00	1.00
##000000	8.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A2A9BD

Deuteranopia (green-blind)

#919DBC

Tritanopia (blue-blind)

#00B6B3

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51afbc;
/* rgb */ color: rgb(81, 175, 188);
/* oklch */ color: oklch(70.2% 0.090 207.5);

Tailwind

colors: {
  custom: {
    50: '#8cc7d0',
    500: '#51afbc',
    950: '#000000',
  },
}

SCSS

$custom: #51afbc;
$custom-light: #8cc7d0;
$custom-dark: #000000;

JSON

{
  "hex": "#51afbc",
  "rgb": {
    "r": 81,
    "g": 175,
    "b": 188
  },
  "hsl": {
    "h": 187.29,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.70241,
    "c": 0.09024,
    "h": 207.5
  },
  "luminance": 0.3604
}

Semantic roles & 50–950 ramp

primary

#51AFBC

secondary

#CCA39D

accent

#6354D4

background

#F9FCFC

surface

#F1F8F9

border

#CBD1D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51AFBC

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

Preview Lab → · Contrast checker → · Palette generator →