#255E51#255E51

#255E51 is a dark, moderate teal. Relative luminance 0.090; OKLCH L 44.0% C 0.064 H 175.8°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#255E51
RGB	rgb(37, 94, 81)
HSL	hsl(166, 44%, 26%)
HSV	hsv(166, 61%, 37%)
CMYK	cmyk(60.6%, 0%, 13.8%, 63.1%)
CIE-LAB	lab(35.97, -22.19, 1.87)
CIE-LCH	lch(35.97, 22.27, 175.17°)
OKLab	oklab(44% -0.0635 0.0046)
OKLCH	oklch(44% 0.064 175.8)
XYZ	xyz(6.2502, 8.9922, 9.1893)
Luminance	0.0899 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E51 #5E2532

analogous

#255E34 #255E51 #254E5E

triadic

#255E51 #51255E #5E5125

tetradic

#255E51 #34255E #5E2532 #4E5E25

square

#255E51 #34255E #5E2532 #4E5E25

split-complementary

#255E51 #5E254E #5E3425

monochromatic

#091613 #14322B #255E51 #368A77 #48B69D

Accessibility & contrast

On white

7.50

#255E51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#255E51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E51

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E51	#FFFFFF	#000000	##FFFFFF
##255E51	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5850

Deuteranopia (green-blind)

#525252

Tritanopia (blue-blind)

#005F5A

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #255e51;
/* rgb */ color: rgb(37, 94, 81);
/* oklch */ color: oklch(44.0% 0.064 175.8);

Tailwind

colors: {
  custom: {
    50: '#668c81',
    500: '#255e51',
    950: '#000000',
  },
}

SCSS

$custom: #255e51;
$custom-light: #668c81;
$custom-dark: #000000;

JSON

{
  "hex": "#255e51",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 81
  },
  "hsl": {
    "h": 166.316,
    "s": 43.511,
    "l": 25.686
  },
  "oklch": {
    "l": 0.43998,
    "c": 0.06368,
    "h": 175.8
  },
  "luminance": 0.08993
}

Semantic roles & 50–950 ramp

primary

#255E51

secondary

#914D5D

accent

#5571D3

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#060C0A

muted

#7A7D7C

Preview Lab

Preview with #255E51

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

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