#278A1B#278A1B

#278A1B is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.6% C 0.170 H 141.6°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#278A1B
RGB	rgb(39, 138, 27)
HSL	hsl(114, 67%, 32%)
HSV	hsv(114, 80%, 54%)
CMYK	cmyk(71.7%, 0%, 80.4%, 45.9%)
CIE-LAB	lab(50.32, -48.85, 47.25)
CIE-LCH	lch(50.32, 67.96, 135.95°)
OKLab	oklab(55.57% -0.1332 0.1055)
OKLCH	oklch(55.57% 0.17 141.6)
XYZ	xyz(10.1224, 18.6863, 4.1101)
Luminance	0.1869 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A1B #7E1B8A

analogous

#5E8A1B #278A1B #1B8A47

triadic

#278A1B #1B278A #8A1B27

tetradic

#278A1B #1B5E8A #7E1B8A #8A471B

square

#278A1B #1B5E8A #7E1B8A #8A471B

split-complementary

#278A1B #471B8A #8A1B5E

monochromatic

#0A2407 #195711 #278A1B #35BD25 #55DB45

Accessibility & contrast

On white

4.43

#278A1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#278A1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A1B

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A1B	#FFFFFF	#000000	##000000
##278A1B	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C00

Deuteranopia (green-blind)

#827528

Tritanopia (blue-blind)

#0D8675

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #278a1b;
/* rgb */ color: rgb(39, 138, 27);
/* oklch */ color: oklch(55.6% 0.170 141.6);

Tailwind

colors: {
  custom: {
    50: '#71ad61',
    500: '#278a1b',
    950: '#000000',
  },
}

SCSS

$custom: #278a1b;
$custom-light: #71ad61;
$custom-dark: #000000;

JSON

{
  "hex": "#278a1b",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 27
  },
  "hsl": {
    "h": 113.514,
    "s": 67.273,
    "l": 32.353
  },
  "oklch": {
    "l": 0.55569,
    "c": 0.16993,
    "h": 141.6
  },
  "luminance": 0.18687
}

Semantic roles & 50–950 ramp

primary

#278A1B

secondary

#AF45BC

accent

#3EEAD8

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091005

muted

#7B7F7A

Preview Lab

Preview with #278A1B

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

Preview Lab → · Contrast checker → · Palette generator →