#51CBBB#51CBBB

#51CBBB is a light, moderate teal. Relative luminance 0.480; OKLCH L 76.9% C 0.111 H 183.3°. Best body text is #000000 at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#51CBBB
RGB	rgb(81, 203, 187)
HSL	hsl(172, 54%, 56%)
HSV	hsv(172, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 7.9%, 20.4%)
CIE-LAB	lab(74.85, -37.67, -2.15)
CIE-LCH	lch(74.85, 37.73, 183.27°)
OKLab	oklab(76.94% -0.1107 -0.0064)
OKLCH	oklch(76.94% 0.111 183.3)
XYZ	xyz(33.7148, 48.0456, 54.5010)
Luminance	0.4805 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CBBB #CB5161

analogous

#51CB7E #51CBBB #519ECB

triadic

#51CBBB #BB51CB #CBBB51

tetradic

#51CBBB #7E51CB #CB5161 #9ECB51

square

#51CBBB #7E51CB #CB5161 #9ECB51

split-complementary

#51CBBB #CB519E #CB7E51

monochromatic

#257C71 #33AC9C #51CBBB #80D9CD #AFE7E0

Accessibility & contrast

On white

1.98

#51CBBB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.61

#51CBBB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CBBB

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CBBB	#FFFFFF	#000000	##000000
##51CBBB	1.00	1.98	10.61	10.61
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.61	21.00	1.00	1.00
##000000	10.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2C0BA

Deuteranopia (green-blind)

#AFB3BD

Tritanopia (blue-blind)

#00CFC6

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51cbbb;
/* rgb */ color: rgb(81, 203, 187);
/* oklch */ color: oklch(76.9% 0.111 183.3);

Tailwind

colors: {
  custom: {
    50: '#8edbcf',
    500: '#51cbbb',
    950: '#000000',
  },
}

SCSS

$custom: #51cbbb;
$custom-light: #8edbcf;
$custom-dark: #000000;

JSON

{
  "hex": "#51cbbb",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 187
  },
  "hsl": {
    "h": 172.131,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.76942,
    "c": 0.11086,
    "h": 183.3
  },
  "luminance": 0.48049
}

Semantic roles & 50–950 ramp

primary

#51CBBB

secondary

#D5A3A9

accent

#4A5EDD

background

#F9FDFC

surface

#F2FBF9

border

#CCD4D2

text

#0D1513

muted

#7E8382

Preview Lab

Preview with #51CBBB

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

Preview Lab → · Contrast checker → · Palette generator →