#278A1F#278A1F

#278A1F is a mid, vivid green. Relative luminance 0.187; OKLCH L 55.6% C 0.168 H 142.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#278A1F
RGB	rgb(39, 138, 31)
HSL	hsl(116, 63%, 33%)
HSV	hsv(116, 78%, 54%)
CMYK	cmyk(71.7%, 0%, 77.5%, 45.9%)
CIE-LAB	lab(50.34, -48.57, 45.90)
CIE-LCH	lch(50.34, 66.83, 136.62°)
OKLab	oklab(55.6% -0.1323 0.1032)
OKLCH	oklch(55.6% 0.168 142)
XYZ	xyz(10.1719, 18.7061, 4.3706)
Luminance	0.1871 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A1F #821F8A

analogous

#5C8A1F #278A1F #1F8A4C

triadic

#278A1F #1F278A #8A1F27

tetradic

#278A1F #1F5C8A #821F8A #8A4C1F

square

#278A1F #1F5C8A #821F8A #8A4C1F

split-complementary

#278A1F #4C1F8A #8A1F5C

monochromatic

#0B2609 #195814 #278A1F #35BC2A #57D74C

Accessibility & contrast

On white

4.43

#278A1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#278A1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A1F

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A1F	#FFFFFF	#000000	##000000
##278A1F	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)

#8D7D07

Deuteranopia (green-blind)

#82752B

Tritanopia (blue-blind)

#0C8676

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #278a1f;
/* rgb */ color: rgb(39, 138, 31);
/* oklch */ color: oklch(55.6% 0.168 142.0);

Tailwind

colors: {
  custom: {
    50: '#71ad63',
    500: '#278a1f',
    950: '#000000',
  },
}

SCSS

$custom: #278a1f;
$custom-light: #71ad63;
$custom-dark: #000000;

JSON

{
  "hex": "#278a1f",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 31
  },
  "hsl": {
    "h": 115.514,
    "s": 63.314,
    "l": 33.137
  },
  "oklch": {
    "l": 0.55596,
    "c": 0.16778,
    "h": 142
  },
  "luminance": 0.18707
}

Semantic roles & 50–950 ramp

primary

#278A1F

secondary

#B14BBA

accent

#41E6DA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #278A1F

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

Preview Lab → · Contrast checker → · Palette generator →