#278B41#278B41

#278B41 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.143 H 148.1°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#278B41
RGB	rgb(39, 139, 65)
HSL	hsl(136, 56%, 35%)
HSV	hsv(136, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 53.2%, 45.5%)
CIE-LAB	lab(51.01, -45.01, 31.28)
CIE-LCH	lch(51.01, 54.81, 145.20°)
OKLab	oklab(56.26% -0.1212 0.0755)
OKLCH	oklch(56.26% 0.143 148.1)
XYZ	xyz(11.0226, 19.2770, 8.1399)
Luminance	0.1928 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B41 #8B2771

analogous

#3F8B27 #278B41 #278B73

triadic

#278B41 #41278B #8B4127

tetradic

#278B41 #273F8B #8B2771 #8B7327

square

#278B41 #273F8B #8B2771 #8B7327

split-complementary

#278B41 #73278B #8B273F

monochromatic

#0C2B14 #1A5B2B #278B41 #34BB57 #5BD17A

Accessibility & contrast

On white

4.32

#278B41 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#278B41 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B41

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B41	#FFFFFF	#000000	##000000
##278B41	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)

#8C7F3B

Deuteranopia (green-blind)

#807646

Tritanopia (blue-blind)

#00887A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278b41;
/* rgb */ color: rgb(39, 139, 65);
/* oklch */ color: oklch(56.3% 0.143 148.1);

Tailwind

colors: {
  custom: {
    50: '#70ae77',
    500: '#278b41',
    950: '#000000',
  },
}

SCSS

$custom: #278b41;
$custom-light: #70ae77;
$custom-dark: #000000;

JSON

{
  "hex": "#278b41",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 65
  },
  "hsl": {
    "h": 135.6,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56256,
    "c": 0.14278,
    "h": 148.1
  },
  "luminance": 0.19278
}

Semantic roles & 50–950 ramp

primary

#278B41

secondary

#B6589E

accent

#48B8DF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #278B41

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

Preview Lab → · Contrast checker → · Palette generator →