#278B1F#278B1F

#278B1F is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.9% C 0.169 H 142.0°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#278B1F
RGB	rgb(39, 139, 31)
HSL	hsl(116, 64%, 33%)
HSV	hsv(116, 78%, 55%)
CMYK	cmyk(71.9%, 0%, 77.7%, 45.5%)
CIE-LAB	lab(50.68, -48.91, 46.24)
CIE-LCH	lch(50.68, 67.31, 136.61°)
OKLab	oklab(55.88% -0.1332 0.1039)
OKLCH	oklch(55.88% 0.169 142)
XYZ	xyz(10.3161, 18.9944, 4.4187)
Luminance	0.1900 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B1F #831F8B

analogous

#5D8B1F #278B1F #1F8B4D

triadic

#278B1F #1F278B #8B1F27

tetradic

#278B1F #1F5D8B #831F8B #8B4D1F

square

#278B1F #1F5D8B #831F8B #8B4D1F

split-complementary

#278B1F #4D1F8B #8B1F5D

monochromatic

#0B2709 #195914 #278B1F #35BD2A #57D74D

Accessibility & contrast

On white

4.38

#278B1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#278B1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B1F

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B1F	#FFFFFF	#000000	##000000
##278B1F	1.00	4.38	4.80	4.80
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D06

Deuteranopia (green-blind)

#83762B

Tritanopia (blue-blind)

#0B8776

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278b1f;
/* rgb */ color: rgb(39, 139, 31);
/* oklch */ color: oklch(55.9% 0.169 142.0);

Tailwind

colors: {
  custom: {
    50: '#71ae63',
    500: '#278b1f',
    950: '#000000',
  },
}

SCSS

$custom: #278b1f;
$custom-light: #71ae63;
$custom-dark: #000000;

JSON

{
  "hex": "#278b1f",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 31
  },
  "hsl": {
    "h": 115.556,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.55878,
    "c": 0.16894,
    "h": 142
  },
  "luminance": 0.18996
}

Semantic roles & 50–950 ramp

primary

#278B1F

secondary

#B24CBA

accent

#41E7DA

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #278B1F

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

Preview Lab → · Contrast checker → · Palette generator →