#255D56#255D56

#255D56 is a dark, muted teal. Relative luminance 0.089; OKLCH L 43.9% C 0.060 H 184.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#255D56
RGB	rgb(37, 93, 86)
HSL	hsl(173, 43%, 25%)
HSV	hsv(173, 60%, 36%)
CMYK	cmyk(60.2%, 0%, 7.5%, 63.5%)
CIE-LAB	lab(35.78, -20.23, -1.51)
CIE-LCH	lch(35.78, 20.29, 184.28°)
OKLab	oklab(43.89% -0.0597 -0.0044)
OKLCH	oklch(43.89% 0.06 184.2)
XYZ	xyz(6.3563, 8.8933, 10.1839)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D56 #5D252C

analogous

#255D3A #255D56 #25485D

triadic

#255D56 #56255D #5D5625

tetradic

#255D56 #3A255D #5D252C #485D25

square

#255D56 #3A255D #5D252C #485D25

split-complementary

#255D56 #5D2548 #5D3A25

monochromatic

#091614 #14312E #255D56 #36897E #48B5A7

Accessibility & contrast

On white

7.56

#255D56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#255D56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255D56

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D56	#FFFFFF	#000000	##FFFFFF
##255D56	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#595856

Deuteranopia (green-blind)

#505157

Tritanopia (blue-blind)

#005F5B

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #255d56;
/* rgb */ color: rgb(37, 93, 86);
/* oklch */ color: oklch(43.9% 0.060 184.2);

Tailwind

colors: {
  custom: {
    50: '#668b85',
    500: '#255d56',
    950: '#000000',
  },
}

SCSS

$custom: #255d56;
$custom-light: #668b85;
$custom-dark: #000000;

JSON

{
  "hex": "#255d56",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 86
  },
  "hsl": {
    "h": 172.5,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.43893,
    "c": 0.05986,
    "h": 184.2
  },
  "luminance": 0.08894
}

Semantic roles & 50–950 ramp

primary

#255D56

secondary

#904D56

accent

#5565D3

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #255D56

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

Preview Lab → · Contrast checker → · Palette generator →