#51BDBE#51BDBE

#51BDBE is a light, moderate teal. Relative luminance 0.419; OKLCH L 73.7% C 0.098 H 196.1°. Best body text is #000000 at 9.37:1 contrast (WCAG AA passes).

Color values

HEX	#51BDBE
RGB	rgb(81, 189, 190)
HSL	hsl(181, 46%, 53%)
HSV	hsv(181, 57%, 75%)
CMYK	cmyk(57.4%, 0.5%, 0%, 25.5%)
CIE-LAB	lab(70.77, -30.29, -9.82)
CIE-LCH	lch(70.77, 31.84, 197.97°)
OKLab	oklab(73.67% -0.0944 -0.0272)
OKLCH	oklch(73.67% 0.098 196.1)
XYZ	xyz(30.8812, 41.8591, 55.1574)
Luminance	0.4186 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BDBE #BE5251

analogous

#51BE88 #51BDBE #5187BE

triadic

#51BDBE #BE51BD #BDBE51

tetradic

#51BDBE #8851BE #BE5251 #87BE51

square

#51BDBE #8851BE #BE5251 #87BE51

split-complementary

#51BDBE #BE5187 #BE8851

monochromatic

#286C6C #399899 #51BDBE #7ECECF #AADFDF

Accessibility & contrast

On white

2.24

#51BDBE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.37

#51BDBE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BDBE

9.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BDBE	#FFFFFF	#000000	##000000
##51BDBE	1.00	2.24	9.37	9.37
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.37	21.00	1.00	1.00
##000000	9.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2B5BE

Deuteranopia (green-blind)

#A0A8BF

Tritanopia (blue-blind)

#00C3BD

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bdbe;
/* rgb */ color: rgb(81, 189, 190);
/* oklch */ color: oklch(73.7% 0.098 196.1);

Tailwind

colors: {
  custom: {
    50: '#8dd1d1',
    500: '#51bdbe',
    950: '#000000',
  },
}

SCSS

$custom: #51bdbe;
$custom-light: #8dd1d1;
$custom-dark: #000000;

JSON

{
  "hex": "#51bdbe",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 190
  },
  "hsl": {
    "h": 180.55,
    "s": 45.607,
    "l": 53.137
  },
  "oklch": {
    "l": 0.73666,
    "c": 0.09828,
    "h": 196.1
  },
  "luminance": 0.41862
}

Semantic roles & 50–950 ramp

primary

#51BDBE

secondary

#CD9E9E

accent

#5453D5

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1414

muted

#7E8282

Preview Lab

Preview with #51BDBE

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

Preview Lab → · Contrast checker → · Palette generator →