#51B8BD#51B8BD

#51B8BD is a light, moderate teal. Relative luminance 0.397; OKLCH L 72.4% C 0.095 H 199.6°. Best body text is #000000 at 8.94:1 contrast (WCAG AA passes).

Color values

HEX	#51B8BD
RGB	rgb(81, 184, 189)
HSL	hsl(183, 45%, 53%)
HSV	hsv(183, 57%, 74%)
CMYK	cmyk(57.1%, 2.6%, 0%, 25.9%)
CIE-LAB	lab(69.26, -28.13, -11.54)
CIE-LCH	lch(69.26, 30.41, 202.31°)
OKLab	oklab(72.43% -0.0895 -0.0319)
OKLCH	oklch(72.43% 0.095 199.6)
XYZ	xyz(29.7153, 39.7015, 54.2314)
Luminance	0.3970 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B8BD #BD5651

analogous

#51BD8C #51B8BD #5182BD

triadic

#51B8BD #BD51B8 #B8BD51

tetradic

#51B8BD #8C51BD #BD5651 #82BD51

square

#51B8BD #8C51BD #BD5651 #82BD51

split-complementary

#51B8BD #BD5182 #BD8C51

monochromatic

#29686B #399397 #51B8BD #7DCACE #AADCDF

Accessibility & contrast

On white

2.35

#51B8BD on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.94

#51B8BD on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B8BD

8.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B8BD	#FFFFFF	#000000	##000000
##51B8BD	1.00	2.35	8.94	8.94
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.94	21.00	1.00	1.00
##000000	8.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#ACB0BE

Deuteranopia (green-blind)

#9BA4BE

Tritanopia (blue-blind)

#00BEB9

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51b8bd;
/* rgb */ color: rgb(81, 184, 189);
/* oklch */ color: oklch(72.4% 0.095 199.6);

Tailwind

colors: {
  custom: {
    50: '#8dcdd0',
    500: '#51b8bd',
    950: '#000000',
  },
}

SCSS

$custom: #51b8bd;
$custom-light: #8dcdd0;
$custom-dark: #000000;

JSON

{
  "hex": "#51b8bd",
  "rgb": {
    "r": 81,
    "g": 184,
    "b": 189
  },
  "hsl": {
    "h": 182.778,
    "s": 45,
    "l": 52.941
  },
  "oklch": {
    "l": 0.72432,
    "c": 0.09499,
    "h": 199.6
  },
  "luminance": 0.39704
}

Semantic roles & 50–950 ramp

primary

#51B8BD

secondary

#CCA09E

accent

#5953D5

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1314

muted

#7E8282

Preview Lab

Preview with #51B8BD

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

Preview Lab → · Contrast checker → · Palette generator →