#278E42#278E42

#278E42 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.1% C 0.146 H 148.1°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#278E42
RGB	rgb(39, 142, 66)
HSL	hsl(136, 57%, 35%)
HSV	hsv(136, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 53.5%, 44.3%)
CIE-LAB	lab(52.03, -45.98, 32.01)
CIE-LCH	lch(52.03, 56.03, 145.15°)
OKLab	oklab(57.1% -0.1238 0.0771)
OKLCH	oklch(57.1% 0.146 148.1)
XYZ	xyz(11.4922, 20.1694, 8.4406)
Luminance	0.2017 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E42 #8E2773

analogous

#3F8E27 #278E42 #278E75

triadic

#278E42 #42278E #8E4227

tetradic

#278E42 #273F8E #8E2773 #8E7527

square

#278E42 #273F8E #8E2773 #8E7527

split-complementary

#278E42 #75278E #8E273F

monochromatic

#0D2E15 #1A5E2C #278E42 #34BE58 #5DD27C

Accessibility & contrast

On white

4.17

#278E42 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#278E42 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E42

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E42	#FFFFFF	#000000	##000000
##278E42	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F813B

Deuteranopia (green-blind)

#837948

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #278e42;
/* rgb */ color: rgb(39, 142, 66);
/* oklch */ color: oklch(57.1% 0.146 148.1);

Tailwind

colors: {
  custom: {
    50: '#70b078',
    500: '#278e42',
    950: '#000000',
  },
}

SCSS

$custom: #278e42;
$custom-light: #70b078;
$custom-dark: #000000;

JSON

{
  "hex": "#278e42",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 66
  },
  "hsl": {
    "h": 135.728,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57103,
    "c": 0.14588,
    "h": 148.1
  },
  "luminance": 0.20171
}

Semantic roles & 50–950 ramp

primary

#278E42

secondary

#B8599F

accent

#48B8E0

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091109

muted

#7B807B

Preview Lab

Preview with #278E42

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

Preview Lab → · Contrast checker → · Palette generator →