#51B0A4#51B0A4

#51B0A4 is a light, moderate teal. Relative luminance 0.355; OKLCH L 69.7% C 0.092 H 184.3°. Best body text is #000000 at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#51B0A4
RGB	rgb(81, 176, 164)
HSL	hsl(172, 38%, 50%)
HSV	hsv(172, 54%, 69%)
CMYK	cmyk(54%, 0%, 6.8%, 31%)
CIE-LAB	lab(66.12, -30.99, -2.38)
CIE-LCH	lch(66.12, 31.08, 184.40°)
OKLab	oklab(69.65% -0.0915 -0.0069)
OKLCH	oklch(69.65% 0.092 184.3)
XYZ	xyz(25.6166, 35.4779, 40.6127)
Luminance	0.3548 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B0A4 #B0515D

analogous

#51B074 #51B0A4 #518CB0

triadic

#51B0A4 #A451B0 #B0A451

tetradic

#51B0A4 #7451B0 #B0515D #8CB051

square

#51B0A4 #7451B0 #B0515D #8CB051

split-complementary

#51B0A4 #B0518C #B07451

monochromatic

#2A5D56 #3D877D #51B0A4 #7BC3BA #A5D6D0

Accessibility & contrast

On white

2.59

#51B0A4 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.10

#51B0A4 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B0A4

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B0A4	#FFFFFF	#000000	##000000
##51B0A4	1.00	2.59	8.10	8.10
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.10	21.00	1.00	1.00
##000000	8.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8A7A4

Deuteranopia (green-blind)

#999CA5

Tritanopia (blue-blind)

#0CB3AC

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51b0a4;
/* rgb */ color: rgb(81, 176, 164);
/* oklch */ color: oklch(69.7% 0.092 184.3);

Tailwind

colors: {
  custom: {
    50: '#8ac8be',
    500: '#51b0a4',
    950: '#000000',
  },
}

SCSS

$custom: #51b0a4;
$custom-light: #8ac8be;
$custom-dark: #000000;

JSON

{
  "hex": "#51b0a4",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 164
  },
  "hsl": {
    "h": 172.421,
    "s": 37.549,
    "l": 50.392
  },
  "oklch": {
    "l": 0.69652,
    "c": 0.0918,
    "h": 184.3
  },
  "luminance": 0.3548
}

Semantic roles & 50–950 ramp

primary

#51B0A4

secondary

#C4999F

accent

#5A69CE

background

#F8FCFB

surface

#F0F8F6

border

#CBD1D0

text

#0C1312

muted

#7D8281

Preview Lab

Preview with #51B0A4

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

Preview Lab → · Contrast checker → · Palette generator →