#255F40#255F40

#255F40 is a dark, moderate green. Relative luminance 0.089; OKLCH L 43.8% C 0.080 H 157.2°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#255F40
RGB	rgb(37, 95, 64)
HSL	hsl(148, 44%, 26%)
HSV	hsv(148, 61%, 37%)
CMYK	cmyk(61.1%, 0%, 32.6%, 62.7%)
CIE-LAB	lab(35.88, -27.01, 12.21)
CIE-LCH	lch(35.88, 29.64, 155.67°)
OKLab	oklab(43.79% -0.0737 0.031)
OKLCH	oklch(43.79% 0.08 157.2)
XYZ	xyz(5.7801, 8.9474, 6.2719)
Luminance	0.0895 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#255F40 #5F2544

analogous

#275F25 #255F40 #255F5D

triadic

#255F40 #40255F #5F4025

tetradic

#255F40 #25275F #5F2544 #5F5D25

square

#255F40 #25275F #5F2544 #5F5D25

split-complementary

#255F40 #5D255F #5F2527

monochromatic

#09160F #143322 #255F40 #368B5E #47B77B

Accessibility & contrast

On white

7.53

#255F40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#255F40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #255F40

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##255F40	#FFFFFF	#000000	##FFFFFF
##255F40	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E583E

Deuteranopia (green-blind)

#565242

Tritanopia (blue-blind)

#105E57

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #255f40;
/* rgb */ color: rgb(37, 95, 64);
/* oklch */ color: oklch(43.8% 0.080 157.2);

Tailwind

colors: {
  custom: {
    50: '#658d75',
    500: '#255f40',
    950: '#000000',
  },
}

SCSS

$custom: #255f40;
$custom-light: #658d75;
$custom-dark: #000000;

JSON

{
  "hex": "#255f40",
  "rgb": {
    "r": 37,
    "g": 95,
    "b": 64
  },
  "hsl": {
    "h": 147.931,
    "s": 43.939,
    "l": 25.882
  },
  "oklch": {
    "l": 0.43785,
    "c": 0.07993,
    "h": 157.2
  },
  "luminance": 0.08948
}

Semantic roles & 50–950 ramp

primary

#255F40

secondary

#924D72

accent

#5498D4

background

#F6F8F7

surface

#EBF0ED

border

#C6CBC8

text

#060C08

muted

#7A7D7B

Preview Lab

Preview with #255F40

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

Preview Lab → · Contrast checker → · Palette generator →