#255B59#255B59

#255B59 is a dark, muted teal. Relative luminance 0.086; OKLCH L 43.5% C 0.057 H 192.0°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#255B59
RGB	rgb(37, 91, 89)
HSL	hsl(178, 42%, 25%)
HSV	hsv(178, 59%, 36%)
CMYK	cmyk(59.3%, 0%, 2.2%, 64.3%)
CIE-LAB	lab(35.19, -18.25, -4.25)
CIE-LCH	lch(35.19, 18.74, 193.10°)
OKLab	oklab(43.45% -0.0557 -0.0118)
OKLCH	oklch(43.45% 0.057 192)
XYZ	xyz(6.3064, 8.5961, 10.7761)
Luminance	0.0860 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255B59 #5B2527

analogous

#255B3E #255B59 #25425B

triadic

#255B59 #59255B #5B5925

tetradic

#255B59 #3E255B #5B2527 #425B25

square

#255B59 #3E255B #5B2527 #425B25

split-complementary

#255B59 #5B2542 #5B3E25

monochromatic

#091615 #132F2E #255B59 #378784 #48B2AE

Accessibility & contrast

On white

7.72

#255B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#255B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255B59

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255B59	#FFFFFF	#000000	##FFFFFF
##255B59	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565759

Deuteranopia (green-blind)

#4D5059

Tritanopia (blue-blind)

#005D5A

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #255b59;
/* rgb */ color: rgb(37, 91, 89);
/* oklch */ color: oklch(43.5% 0.057 192.0);

Tailwind

colors: {
  custom: {
    50: '#668987',
    500: '#255b59',
    950: '#000000',
  },
}

SCSS

$custom: #255b59;
$custom-light: #668987;
$custom-dark: #000000;

JSON

{
  "hex": "#255b59",
  "rgb": {
    "r": 37,
    "g": 91,
    "b": 89
  },
  "hsl": {
    "h": 177.778,
    "s": 42.188,
    "l": 25.098
  },
  "oklch": {
    "l": 0.43453,
    "c": 0.05694,
    "h": 192
  },
  "luminance": 0.08597
}

Semantic roles & 50–950 ramp

primary

#255B59

secondary

#8E4D50

accent

#565AD2

background

#F6F8F8

surface

#EBF0EF

border

#C6CBCA

text

#060B0B

muted

#7A7C7C

Preview Lab

Preview with #255B59

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

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