#255E55#255E55

#255E55 is a dark, moderate teal. Relative luminance 0.091; OKLCH L 44.1% C 0.061 H 181.4°. Best body text is #FFFFFF at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#255E55
RGB	rgb(37, 94, 85)
HSL	hsl(171, 44%, 26%)
HSV	hsv(171, 61%, 37%)
CMYK	cmyk(60.6%, 0%, 9.6%, 63.1%)
CIE-LAB	lab(36.09, -21.05, -0.44)
CIE-LCH	lch(36.09, 21.06, 181.19°)
OKLab	oklab(44.13% -0.0614 -0.0015)
OKLCH	oklch(44.13% 0.061 181.4)
XYZ	xyz(6.4046, 9.0540, 10.0026)
Luminance	0.0906 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255E55 #5E252E

analogous

#255E38 #255E55 #254A5E

triadic

#255E55 #55255E #5E5525

tetradic

#255E55 #38255E #5E252E #4A5E25

square

#255E55 #38255E #5E252E #4A5E25

split-complementary

#255E55 #5E254A #5E3825

monochromatic

#091614 #14322D #255E55 #368A7D #48B6A4

Accessibility & contrast

On white

7.47

#255E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.81

#255E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255E55

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255E55	#FFFFFF	#000000	##FFFFFF
##255E55	1.00	7.47	2.81	7.47
#FFFFFF	7.47	1.00	21.00	1.00
#000000	2.81	21.00	1.00	21.00
##FFFFFF	7.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5955

Deuteranopia (green-blind)

#515256

Tritanopia (blue-blind)

#00605B

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #255e55;
/* rgb */ color: rgb(37, 94, 85);
/* oklch */ color: oklch(44.1% 0.061 181.4);

Tailwind

colors: {
  custom: {
    50: '#668c84',
    500: '#255e55',
    950: '#000000',
  },
}

SCSS

$custom: #255e55;
$custom-light: #668c84;
$custom-dark: #000000;

JSON

{
  "hex": "#255e55",
  "rgb": {
    "r": 37,
    "g": 94,
    "b": 85
  },
  "hsl": {
    "h": 170.526,
    "s": 43.511,
    "l": 25.686
  },
  "oklch": {
    "l": 0.44134,
    "c": 0.06147,
    "h": 181.4
  },
  "luminance": 0.09055
}

Semantic roles & 50–950 ramp

primary

#255E55

secondary

#914D58

accent

#5569D3

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #255E55

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

Preview Lab → · Contrast checker → · Palette generator →