#278C1B#278C1B

#278C1B is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.1% C 0.172 H 141.7°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#278C1B
RGB	rgb(39, 140, 27)
HSL	hsl(114, 68%, 33%)
HSV	hsv(114, 81%, 55%)
CMYK	cmyk(72.1%, 0%, 80.7%, 45.1%)
CIE-LAB	lab(51.00, -49.54, 47.90)
CIE-LCH	lch(51.00, 68.91, 135.96°)
OKLab	oklab(56.13% -0.1351 0.1068)
OKLCH	oklch(56.13% 0.172 141.7)
XYZ	xyz(10.4120, 19.2655, 4.2066)
Luminance	0.1927 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C1B #801B8C

analogous

#608C1B #278C1B #1B8C47

triadic

#278C1B #1B278C #8C1B27

tetradic

#278C1B #1B608C #801B8C #8C471B

square

#278C1B #1B608C #801B8C #8C471B

split-complementary

#278C1B #471B8C #8C1B60

monochromatic

#0A2507 #195911 #278C1B #35BF25 #56DB46

Accessibility & contrast

On white

4.33

#278C1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#278C1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C1B

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C1B	#FFFFFF	#000000	##000000
##278C1B	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907E00

Deuteranopia (green-blind)

#847628

Tritanopia (blue-blind)

#0B8777

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278c1b;
/* rgb */ color: rgb(39, 140, 27);
/* oklch */ color: oklch(56.1% 0.172 141.7);

Tailwind

colors: {
  custom: {
    50: '#72af61',
    500: '#278c1b',
    950: '#000000',
  },
}

SCSS

$custom: #278c1b;
$custom-light: #72af61;
$custom-dark: #000000;

JSON

{
  "hex": "#278c1b",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 27
  },
  "hsl": {
    "h": 113.628,
    "s": 67.665,
    "l": 32.745
  },
  "oklch": {
    "l": 0.56132,
    "c": 0.17221,
    "h": 141.7
  },
  "luminance": 0.19267
}

Semantic roles & 50–950 ramp

primary

#278C1B

secondary

#B046BD

accent

#3DEBD8

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091005

muted

#7B7F7A

Preview Lab

Preview with #278C1B

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

Preview Lab → · Contrast checker → · Palette generator →