#255B4E#255B4E

#255B4E is a dark, moderate teal. Relative luminance 0.084; OKLCH L 43.1% C 0.062 H 175.1°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#255B4E
RGB	rgb(37, 91, 78)
HSL	hsl(166, 42%, 25%)
HSV	hsv(166, 59%, 36%)
CMYK	cmyk(59.3%, 0%, 14.3%, 64.3%)
CIE-LAB	lab(34.85, -21.46, 2.12)
CIE-LCH	lch(34.85, 21.56, 174.35°)
OKLab	oklab(43.06% -0.0613 0.0053)
OKLCH	oklch(43.06% 0.062 175.1)
XYZ	xyz(5.8786, 8.4250, 8.5226)
Luminance	0.0843 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B4E #5B2532

analogous

#255B33 #255B4E #254D5B

triadic

#255B4E #4E255B #5B4E25

tetradic

#255B4E #33255B #5B2532 #4D5B25

square

#255B4E #33255B #5B2532 #4D5B25

split-complementary

#255B4E #5B254D #5B3325

monochromatic

#091613 #132F29 #255B4E #378773 #48B299

Accessibility & contrast

On white

7.82

#255B4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#255B4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B4E

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B4E	#FFFFFF	#000000	##FFFFFF
##255B4E	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#58554D

Deuteranopia (green-blind)

#504F4F

Tritanopia (blue-blind)

#055C57

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #255b4e;
/* rgb */ color: rgb(37, 91, 78);
/* oklch */ color: oklch(43.1% 0.062 175.1);

Tailwind

colors: {
  custom: {
    50: '#658a7f',
    500: '#255b4e',
    950: '#000000',
  },
}

SCSS

$custom: #255b4e;
$custom-light: #658a7f;
$custom-dark: #000000;

JSON

{
  "hex": "#255b4e",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 78
  },
  "hsl": {
    "h": 165.556,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.43063,
    "c": 0.06153,
    "h": 175.1
  },
  "luminance": 0.08426
}

Semantic roles & 50–950 ramp

primary

#255B4E

secondary

#8E4D5D

accent

#5674D2

background

#F6F8F7

surface

#EBF0EE

border

#C6CBC9

text

#060B0A

muted

#7A7C7C

Preview Lab

Preview with #255B4E

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

Preview Lab → · Contrast checker → · Palette generator →