#278E21#278E21

#278E21 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.7% C 0.171 H 142.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#278E21
RGB	rgb(39, 142, 33)
HSL	hsl(117, 62%, 34%)
HSV	hsv(117, 77%, 56%)
CMYK	cmyk(72.5%, 0%, 76.8%, 44.3%)
CIE-LAB	lab(51.71, -49.79, 46.54)
CIE-LCH	lch(51.71, 68.15, 136.93°)
OKLab	oklab(56.73% -0.1355 0.1048)
OKLCH	oklch(56.73% 0.171 142.3)
XYZ	xyz(10.7836, 19.8860, 4.7086)
Luminance	0.1989 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278E21 #88218E

analogous

#5E8E21 #278E21 #218E52

triadic

#278E21 #21278E #8E2127

tetradic

#278E21 #215E8E #88218E #8E5221

square

#278E21 #215E8E #88218E #8E5221

split-complementary

#278E21 #52218E #8E215E

monochromatic

#0C2B0A #195C15 #278E21 #35C02D #5AD752

Accessibility & contrast

On white

4.22

#278E21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#278E21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278E21

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278E21	#FFFFFF	#000000	##000000
##278E21	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91800A

Deuteranopia (green-blind)

#86782D

Tritanopia (blue-blind)

#078A79

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #278e21;
/* rgb */ color: rgb(39, 142, 33);
/* oklch */ color: oklch(56.7% 0.171 142.3);

Tailwind

colors: {
  custom: {
    50: '#72b064',
    500: '#278e21',
    950: '#000000',
  },
}

SCSS

$custom: #278e21;
$custom-light: #72b064;
$custom-dark: #000000;

JSON

{
  "hex": "#278e21",
  "rgb": {
    "r": 39,
    "g": 142,
    "b": 33
  },
  "hsl": {
    "h": 116.697,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.56734,
    "c": 0.1713,
    "h": 142.3
  },
  "luminance": 0.19887
}

Semantic roles & 50–950 ramp

primary

#278E21

secondary

#B550BA

accent

#42E5DC

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#091106

muted

#7B807A

Preview Lab

Preview with #278E21

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

Preview Lab → · Contrast checker → · Palette generator →