#51BFBA#51BFBA

#51BFBA is a light, moderate teal. Relative luminance 0.426; OKLCH L 74.0% C 0.100 H 191.1°. Best body text is #000000 at 9.51:1 contrast (WCAG AA passes).

Color values

HEX	#51BFBA
RGB	rgb(81, 191, 186)
HSL	hsl(177, 46%, 53%)
HSV	hsv(177, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 2.6%, 25.1%)
CIE-LAB	lab(71.25, -32.34, -6.92)
CIE-LCH	lch(71.25, 33.07, 192.09°)
OKLab	oklab(74.01% -0.0983 -0.0193)
OKLCH	oklch(74.01% 0.1 191.1)
XYZ	xyz(30.8832, 42.5530, 53.0308)
Luminance	0.4256 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFBA #BF5156

analogous

#51BF83 #51BFBA #518DBF

triadic

#51BFBA #BA51BF #BFBA51

tetradic

#51BFBA #8351BF #BF5156 #8DBF51

square

#51BFBA #8351BF #BF5156 #8DBF51

split-complementary

#51BFBA #BF518D #BF8351

monochromatic

#286D6A #399A96 #51BFBA #7ECFCC #AAE0DD

Accessibility & contrast

On white

2.21

#51BFBA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.51

#51BFBA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFBA

9.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFBA	#FFFFFF	#000000	##000000
##51BFBA	1.00	2.21	9.51	9.51
#FFFFFF	2.21	1.00	21.00	21.00
#000000	9.51	21.00	1.00	1.00
##000000	9.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5B6BA

Deuteranopia (green-blind)

#A3A9BB

Tritanopia (blue-blind)

#00C4BD

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #51bfba;
/* rgb */ color: rgb(81, 191, 186);
/* oklch */ color: oklch(74.0% 0.100 191.1);

Tailwind

colors: {
  custom: {
    50: '#8dd2ce',
    500: '#51bfba',
    950: '#000000',
  },
}

SCSS

$custom: #51bfba;
$custom-light: #8dd2ce;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfba",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 186
  },
  "hsl": {
    "h": 177.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.74013,
    "c": 0.10019,
    "h": 191.1
  },
  "luminance": 0.42556
}

Semantic roles & 50–950 ramp

primary

#51BFBA

secondary

#CE9EA0

accent

#5258D6

background

#F9FCFC

surface

#F1F9F9

border

#CBD2D2

text

#0D1413

muted

#7E8282

Preview Lab

Preview with #51BFBA

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

Preview Lab → · Contrast checker → · Palette generator →