#278F42#278F42

#278F42 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.147 H 148.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#278F42
RGB	rgb(39, 143, 66)
HSL	hsl(136, 57%, 36%)
HSV	hsv(136, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 53.8%, 43.9%)
CIE-LAB	lab(52.36, -46.36, 32.42)
CIE-LCH	lch(52.36, 56.57, 145.03°)
OKLab	oklab(57.38% -0.1248 0.0781)
OKLCH	oklch(57.38% 0.147 148)
XYZ	xyz(11.6416, 20.4683, 8.4904)
Luminance	0.2047 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F42 #8F2774

analogous

#408F27 #278F42 #278F76

triadic

#278F42 #42278F #8F4227

tetradic

#278F42 #27408F #8F2774 #8F7627

square

#278F42 #27408F #8F2774 #8F7627

split-complementary

#278F42 #76278F #8F2740

monochromatic

#0D2F16 #1A5F2C #278F42 #34BF58 #5DD37C

Accessibility & contrast

On white

4.12

#278F42 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#278F42 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F42

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F42	#FFFFFF	#000000	##000000
##278F42	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91823B

Deuteranopia (green-blind)

#847A48

Tritanopia (blue-blind)

#008C7D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278f42;
/* rgb */ color: rgb(39, 143, 66);
/* oklch */ color: oklch(57.4% 0.147 148.0);

Tailwind

colors: {
  custom: {
    50: '#71b178',
    500: '#278f42',
    950: '#000000',
  },
}

SCSS

$custom: #278f42;
$custom-light: #71b178;
$custom-dark: #000000;

JSON

{
  "hex": "#278f42",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 66
  },
  "hsl": {
    "h": 135.577,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57379,
    "c": 0.14721,
    "h": 148
  },
  "luminance": 0.2047
}

Semantic roles & 50–950 ramp

primary

#278F42

secondary

#B85AA0

accent

#47B9E0

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091109

muted

#7B807B

Preview Lab

Preview with #278F42

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

Preview Lab → · Contrast checker → · Palette generator →