#278B43#278B43

#278B43 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.141 H 148.7°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#278B43
RGB	rgb(39, 139, 67)
HSL	hsl(137, 56%, 35%)
HSV	hsv(137, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 51.8%, 45.5%)
CIE-LAB	lab(51.04, -44.69, 30.27)
CIE-LCH	lch(51.04, 53.98, 145.89°)
OKLab	oklab(56.29% -0.1203 0.0733)
OKLCH	oklch(56.29% 0.141 148.7)
XYZ	xyz(11.0816, 19.3006, 8.4505)
Luminance	0.1930 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B43 #8B276F

analogous

#3D8B27 #278B43 #278B75

triadic

#278B43 #43278B #8B4327

tetradic

#278B43 #273D8B #8B276F #8B7527

square

#278B43 #273D8B #8B276F #8B7527

split-complementary

#278B43 #75278B #8B273D

monochromatic

#0C2B15 #1A5B2C #278B43 #34BB5A #5BD17C

Accessibility & contrast

On white

4.32

#278B43 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#278B43 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B43

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B43	#FFFFFF	#000000	##000000
##278B43	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7F3D

Deuteranopia (green-blind)

#807648

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278b43;
/* rgb */ color: rgb(39, 139, 67);
/* oklch */ color: oklch(56.3% 0.141 148.7);

Tailwind

colors: {
  custom: {
    50: '#70ae79',
    500: '#278b43',
    950: '#000000',
  },
}

SCSS

$custom: #278b43;
$custom-light: #70ae79;
$custom-dark: #000000;

JSON

{
  "hex": "#278b43",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 67
  },
  "hsl": {
    "h": 136.8,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56288,
    "c": 0.14091,
    "h": 148.7
  },
  "luminance": 0.19302
}

Semantic roles & 50–950 ramp

primary

#278B43

secondary

#B6589C

accent

#48B5DF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #278B43

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

Preview Lab → · Contrast checker → · Palette generator →