#255D3B#255D3B

#255D3B is a dark, moderate green. Relative luminance 0.085; OKLCH L 43.1% C 0.082 H 154.3°. Best body text is #FFFFFF at 7.76:1 contrast (WCAG AA passes).

Color values

HEX	#255D3B
RGB	rgb(37, 93, 59)
HSL	hsl(144, 43%, 25%)
HSV	hsv(144, 60%, 36%)
CMYK	cmyk(60.2%, 0%, 36.6%, 63.5%)
CIE-LAB	lab(35.08, -27.16, 14.15)
CIE-LCH	lch(35.08, 30.63, 152.49°)
OKLab	oklab(43.09% -0.0738 0.0356)
OKLCH	oklch(43.09% 0.082 154.3)
XYZ	xyz(5.4663, 8.5373, 5.4966)
Luminance	0.0854 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255D3B #5D2547

analogous

#2B5D25 #255D3B #255D57

triadic

#255D3B #3B255D #5D3B25

tetradic

#255D3B #252B5D #5D2547 #5D5725

square

#255D3B #252B5D #5D2547 #5D5725

split-complementary

#255D3B #57255D #5D252B

monochromatic

#09160E #14311F #255D3B #368957 #48B573

Accessibility & contrast

On white

7.76

#255D3B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#255D3B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255D3B

7.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255D3B	#FFFFFF	#000000	##FFFFFF
##255D3B	1.00	7.76	2.71	7.76
#FFFFFF	7.76	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5639

Deuteranopia (green-blind)

#55503D

Tritanopia (blue-blind)

#145C54

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #255d3b;
/* rgb */ color: rgb(37, 93, 59);
/* oklch */ color: oklch(43.1% 0.082 154.3);

Tailwind

colors: {
  custom: {
    50: '#658b71',
    500: '#255d3b',
    950: '#000000',
  },
}

SCSS

$custom: #255d3b;
$custom-light: #658b71;
$custom-dark: #000000;

JSON

{
  "hex": "#255d3b",
  "rgb": {
    "r": 37,
    "g": 93,
    "b": 59
  },
  "hsl": {
    "h": 143.571,
    "s": 43.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.43091,
    "c": 0.08196,
    "h": 154.3
  },
  "luminance": 0.08538
}

Semantic roles & 50–950 ramp

primary

#255D3B

secondary

#904D76

accent

#55A1D3

background

#F6F8F6

surface

#EBF0EC

border

#C6CBC7

text

#060C07

muted

#7A7D7A

Preview Lab

Preview with #255D3B

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

Preview Lab → · Contrast checker → · Palette generator →