#255D51#255D51

#255D51 is a dark, moderate teal. Relative luminance 0.088; OKLCH L 43.7% C 0.062 H 176.9°. Best body text is #FFFFFF at 7.60:1 contrast (WCAG AA passes).

Color values

HEX	#255D51
RGB	rgb(37, 93, 81)
HSL	hsl(167, 43%, 25%)
HSV	hsv(167, 60%, 36%)
CMYK	cmyk(60.2%, 0%, 12.9%, 63.5%)
CIE-LAB	lab(35.63, -21.67, 1.38)
CIE-LCH	lch(35.63, 21.71, 176.36°)
OKLab	oklab(43.72% -0.0623 0.0033)
OKLCH	oklch(43.72% 0.062 176.9)
XYZ	xyz(6.1618, 8.8155, 9.1598)
Luminance	0.0882 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D51 #5D2531

analogous

#255D35 #255D51 #254D5D

triadic

#255D51 #51255D #5D5125

tetradic

#255D51 #35255D #5D2531 #4D5D25

square

#255D51 #35255D #5D2531 #4D5D25

split-complementary

#255D51 #5D254D #5D3525

monochromatic

#091613 #14312B #255D51 #368977 #48B59D

Accessibility & contrast

On white

7.60

#255D51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.76

#255D51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255D51

7.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D51	#FFFFFF	#000000	##FFFFFF
##255D51	1.00	7.60	2.76	7.60
#FFFFFF	7.60	1.00	21.00	1.00
#000000	2.76	21.00	1.00	21.00
##FFFFFF	7.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A5750

Deuteranopia (green-blind)

#515152

Tritanopia (blue-blind)

#005E59

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #255d51;
/* rgb */ color: rgb(37, 93, 81);
/* oklch */ color: oklch(43.7% 0.062 176.9);

Tailwind

colors: {
  custom: {
    50: '#668b81',
    500: '#255d51',
    950: '#000000',
  },
}

SCSS

$custom: #255d51;
$custom-light: #668b81;
$custom-dark: #000000;

JSON

{
  "hex": "#255d51",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 81
  },
  "hsl": {
    "h": 167.143,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.4372,
    "c": 0.06235,
    "h": 176.9
  },
  "luminance": 0.08816
}

Semantic roles & 50–950 ramp

primary

#255D51

secondary

#904D5C

accent

#5570D3

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#060C0A

muted

#7A7D7C

Preview Lab

Preview with #255D51

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

Preview Lab → · Contrast checker → · Palette generator →