#51BFA4#51BFA4

#51BFA4 is a light, moderate teal. Relative luminance 0.417; OKLCH L 73.3% C 0.109 H 174.4°. Best body text is #000000 at 9.34:1 contrast (WCAG AA passes).

Color values

HEX	#51BFA4
RGB	rgb(81, 191, 164)
HSL	hsl(165, 46%, 53%)
HSV	hsv(165, 58%, 75%)
CMYK	cmyk(57.6%, 0%, 14.1%, 25.1%)
CIE-LAB	lab(70.66, -37.99, 4.23)
CIE-LCH	lch(70.66, 38.22, 173.65°)
OKLab	oklab(73.33% -0.1082 0.0106)
OKLCH	oklch(73.33% 0.109 174.4)
XYZ	xyz(28.7219, 41.6885, 41.6478)
Luminance	0.4169 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BFA4 #BF516C

analogous

#51BF6D #51BFA4 #51A3BF

triadic

#51BFA4 #A451BF #BFA451

tetradic

#51BFA4 #6D51BF #BF516C #A3BF51

square

#51BFA4 #6D51BF #BF516C #A3BF51

split-complementary

#51BFA4 #BF51A3 #BF6D51

monochromatic

#286D5C #399A82 #51BFA4 #7ECFBB #AAE0D3

Accessibility & contrast

On white

2.25

#51BFA4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.34

#51BFA4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BFA4

9.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BFA4	#FFFFFF	#000000	##000000
##51BFA4	1.00	2.25	9.34	9.34
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.34	21.00	1.00	1.00
##000000	9.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9B4A3

Deuteranopia (green-blind)

#A8A8A6

Tritanopia (blue-blind)

#00C1B7

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51bfa4;
/* rgb */ color: rgb(81, 191, 164);
/* oklch */ color: oklch(73.3% 0.109 174.4);

Tailwind

colors: {
  custom: {
    50: '#8cd3bf',
    500: '#51bfa4',
    950: '#000000',
  },
}

SCSS

$custom: #51bfa4;
$custom-light: #8cd3bf;
$custom-dark: #000000;

JSON

{
  "hex": "#51bfa4",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 164
  },
  "hsl": {
    "h": 165.273,
    "s": 46.218,
    "l": 53.333
  },
  "oklch": {
    "l": 0.73333,
    "c": 0.10869,
    "h": 174.4
  },
  "luminance": 0.41691
}

Semantic roles & 50–950 ramp

primary

#51BFA4

secondary

#CE9EAA

accent

#5272D6

background

#F9FDFB

surface

#F1FAF6

border

#CBD3D0

text

#0D1412

muted

#7E8381

Preview Lab

Preview with #51BFA4

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

Preview Lab → · Contrast checker → · Palette generator →