#278F3F#278F3F

#278F3F is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.3% C 0.150 H 147.2°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#278F3F
RGB	rgb(39, 143, 63)
HSL	hsl(134, 57%, 36%)
HSV	hsv(134, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 55.9%, 43.9%)
CIE-LAB	lab(52.32, -46.80, 33.91)
CIE-LCH	lch(52.32, 57.79, 144.08°)
OKLab	oklab(57.34% -0.1261 0.0811)
OKLCH	oklch(57.34% 0.15 147.2)
XYZ	xyz(11.5555, 20.4338, 8.0368)
Luminance	0.2044 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F3F #8F2777

analogous

#438F27 #278F3F #278F73

triadic

#278F3F #3F278F #8F3F27

tetradic

#278F3F #27438F #8F2777 #8F7327

square

#278F3F #27438F #8F2777 #8F7327

split-complementary

#278F3F #73278F #8F2743

monochromatic

#0D2F15 #1A5F2A #278F3F #34BF54 #5DD379

Accessibility & contrast

On white

4.13

#278F3F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#278F3F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F3F

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F3F	#FFFFFF	#000000	##000000
##278F3F	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#918238

Deuteranopia (green-blind)

#847945

Tritanopia (blue-blind)

#008C7D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #278f3f;
/* rgb */ color: rgb(39, 143, 63);
/* oklch */ color: oklch(57.3% 0.150 147.2);

Tailwind

colors: {
  custom: {
    50: '#71b176',
    500: '#278f3f',
    950: '#000000',
  },
}

SCSS

$custom: #278f3f;
$custom-light: #71b176;
$custom-dark: #000000;

JSON

{
  "hex": "#278f3f",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 63
  },
  "hsl": {
    "h": 133.846,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57335,
    "c": 0.14994,
    "h": 147.2
  },
  "luminance": 0.20435
}

Semantic roles & 50–950 ramp

primary

#278F3F

secondary

#B85AA2

accent

#47BDE0

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#091108

muted

#7B807B

Preview Lab

Preview with #278F3F

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

Preview Lab → · Contrast checker → · Palette generator →