#278C2B#278C2B

#278C2B is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.3% C 0.162 H 143.5°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#278C2B
RGB	rgb(39, 140, 43)
HSL	hsl(122, 56%, 35%)
HSV	hsv(122, 72%, 55%)
CMYK	cmyk(72.1%, 0%, 69.3%, 45.1%)
CIE-LAB	lab(51.11, -48.20, 41.95)
CIE-LCH	lch(51.11, 63.90, 138.97°)
OKLab	oklab(56.26% -0.1307 0.0965)
OKLCH	oklch(56.26% 0.162 143.5)
XYZ	xyz(10.6502, 19.3608, 5.4608)
Luminance	0.1936 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C2B #8C2788

analogous

#568C27 #278C2B #278C5D

triadic

#278C2B #2B278C #8C2B27

tetradic

#278C2B #27568C #8C2788 #8C5D27

square

#278C2B #27568C #8C2788 #8C5D27

split-complementary

#278C2B #5D278C #8C2756

monochromatic

#0C2C0E #1A5C1C #278C2B #34BC3A #5CD261

Accessibility & contrast

On white

4.31

#278C2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#278C2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C2B

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C2B	#FFFFFF	#000000	##000000
##278C2B	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F1E

Deuteranopia (green-blind)

#837734

Tritanopia (blue-blind)

#038878

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278c2b;
/* rgb */ color: rgb(39, 140, 43);
/* oklch */ color: oklch(56.3% 0.162 143.5);

Tailwind

colors: {
  custom: {
    50: '#71af69',
    500: '#278c2b',
    950: '#000000',
  },
}

SCSS

$custom: #278c2b;
$custom-light: #71af69;
$custom-dark: #000000;

JSON

{
  "hex": "#278c2b",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 43
  },
  "hsl": {
    "h": 122.376,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56259,
    "c": 0.16245,
    "h": 143.5
  },
  "luminance": 0.19362
}

Semantic roles & 50–950 ramp

primary

#278C2B

secondary

#B758B3

accent

#48DAE0

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #278C2B

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

Preview Lab → · Contrast checker → · Palette generator →