#255F55#255F55

#255F55 is a dark, moderate teal. Relative luminance 0.092; OKLCH L 44.4% C 0.063 H 180.2°. Best body text is #FFFFFF at 7.38:1 contrast (WCAG AA passes).

Color values

HEX	#255F55
RGB	rgb(37, 95, 85)
HSL	hsl(170, 44%, 26%)
HSV	hsv(170, 61%, 37%)
CMYK	cmyk(61.1%, 0%, 10.5%, 62.7%)
CIE-LAB	lab(36.43, -21.58, 0.06)
CIE-LCH	lch(36.43, 21.58, 179.84°)
OKLab	oklab(44.41% -0.0627 -0.0002)
OKLCH	oklch(44.41% 0.063 180.2)
XYZ	xyz(6.4941, 9.2330, 10.0325)
Luminance	0.0923 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F55 #5F252F

analogous

#255F38 #255F55 #254C5F

triadic

#255F55 #55255F #5F5525

tetradic

#255F55 #38255F #5F252F #4C5F25

square

#255F55 #38255F #5F252F #4C5F25

split-complementary

#255F55 #5F254C #5F3825

monochromatic

#091614 #14332E #255F55 #368B7C #47B7A4

Accessibility & contrast

On white

7.38

#255F55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#255F55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255F55

7.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F55	#FFFFFF	#000000	##FFFFFF
##255F55	1.00	7.38	2.85	7.38
#FFFFFF	7.38	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B5A55

Deuteranopia (green-blind)

#525356

Tritanopia (blue-blind)

#00615C

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #255f55;
/* rgb */ color: rgb(37, 95, 85);
/* oklch */ color: oklch(44.4% 0.063 180.2);

Tailwind

colors: {
  custom: {
    50: '#668d84',
    500: '#255f55',
    950: '#000000',
  },
}

SCSS

$custom: #255f55;
$custom-light: #668d84;
$custom-dark: #000000;

JSON

{
  "hex": "#255f55",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 85
  },
  "hsl": {
    "h": 169.655,
    "s": 43.939,
    "l": 25.882
  },
  "oklch": {
    "l": 0.44411,
    "c": 0.06269,
    "h": 180.2
  },
  "luminance": 0.09234
}

Semantic roles & 50–950 ramp

primary

#255F55

secondary

#924D59

accent

#546AD4

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060C0B

muted

#7A7D7C

Preview Lab

Preview with #255F55

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

Preview Lab → · Contrast checker → · Palette generator →