#278C1F#278C1F

#278C1F is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.2% C 0.170 H 142.0°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#278C1F
RGB	rgb(39, 140, 31)
HSL	hsl(116, 64%, 34%)
HSV	hsv(116, 78%, 55%)
CMYK	cmyk(72.1%, 0%, 77.9%, 45.1%)
CIE-LAB	lab(51.02, -49.26, 46.57)
CIE-LCH	lch(51.02, 67.79, 136.61°)
OKLab	oklab(56.16% -0.1341 0.1046)
OKLCH	oklch(56.16% 0.17 142)
XYZ	xyz(10.4615, 19.2853, 4.4672)
Luminance	0.1929 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C1F #841F8C

analogous

#5D8C1F #278C1F #1F8C4D

triadic

#278C1F #1F278C #8C1F27

tetradic

#278C1F #1F5D8C #841F8C #8C4D1F

square

#278C1F #1F5D8C #841F8C #8C4D1F

split-complementary

#278C1F #4D1F8C #8C1F5D

monochromatic

#0B2809 #195A14 #278C1F #35BE2A #58D84E

Accessibility & contrast

On white

4.32

#278C1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#278C1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C1F

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C1F	#FFFFFF	#000000	##000000
##278C1F	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)

#8F7E06

Deuteranopia (green-blind)

#84762B

Tritanopia (blue-blind)

#0A8877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278c1f;
/* rgb */ color: rgb(39, 140, 31);
/* oklch */ color: oklch(56.2% 0.170 142.0);

Tailwind

colors: {
  custom: {
    50: '#72af63',
    500: '#278c1f',
    950: '#000000',
  },
}

SCSS

$custom: #278c1f;
$custom-light: #72af63;
$custom-dark: #000000;

JSON

{
  "hex": "#278c1f",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 31
  },
  "hsl": {
    "h": 115.596,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.56159,
    "c": 0.17011,
    "h": 142
  },
  "luminance": 0.19286
}

Semantic roles & 50–950 ramp

primary

#278C1F

secondary

#B24CBB

accent

#41E7DB

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #278C1F

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

Preview Lab → · Contrast checker → · Palette generator →