#278E43#278E43

#278E43 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.1% C 0.145 H 148.3°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#278E43
RGB	rgb(39, 142, 67)
HSL	hsl(136, 57%, 35%)
HSV	hsv(136, 73%, 56%)
CMYK	cmyk(72.5%, 0%, 52.8%, 44.3%)
CIE-LAB	lab(52.04, -45.83, 31.51)
CIE-LCH	lch(52.04, 55.61, 145.49°)
OKLab	oklab(57.12% -0.1234 0.0761)
OKLCH	oklch(57.12% 0.145 148.3)
XYZ	xyz(11.5219, 20.1813, 8.5973)
Luminance	0.2018 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E43 #8E2772

analogous

#3E8E27 #278E43 #278E76

triadic

#278E43 #43278E #8E4327

tetradic

#278E43 #273E8E #8E2772 #8E7627

square

#278E43 #273E8E #8E2772 #8E7627

split-complementary

#278E43 #76278E #8E273E

monochromatic

#0D2E16 #1A5E2C #278E43 #34BE5A #5DD27D

Accessibility & contrast

On white

4.17

#278E43 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#278E43 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E43

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E43	#FFFFFF	#000000	##000000
##278E43	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F813D

Deuteranopia (green-blind)

#837949

Tritanopia (blue-blind)

#008B7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #278e43;
/* rgb */ color: rgb(39, 142, 67);
/* oklch */ color: oklch(57.1% 0.145 148.3);

Tailwind

colors: {
  custom: {
    50: '#70b079',
    500: '#278e43',
    950: '#000000',
  },
}

SCSS

$custom: #278e43;
$custom-light: #70b079;
$custom-dark: #000000;

JSON

{
  "hex": "#278e43",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 67
  },
  "hsl": {
    "h": 136.311,
    "s": 56.906,
    "l": 35.49
  },
  "oklch": {
    "l": 0.57118,
    "c": 0.14496,
    "h": 148.3
  },
  "luminance": 0.20183
}

Semantic roles & 50–950 ramp

primary

#278E43

secondary

#B8599E

accent

#48B7E0

background

#F7FAF7

surface

#EDF5ED

border

#C8CFC8

text

#091109

muted

#7B807B

Preview Lab

Preview with #278E43

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

Preview Lab → · Contrast checker → · Palette generator →