#278F2B#278F2B

#278F2B is a mid, vivid green. Relative luminance 0.203; OKLCH L 57.1% C 0.166 H 143.5°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#278F2B
RGB	rgb(39, 143, 43)
HSL	hsl(122, 57%, 36%)
HSV	hsv(122, 73%, 56%)
CMYK	cmyk(72.7%, 0%, 69.9%, 43.9%)
CIE-LAB	lab(52.12, -49.25, 43.03)
CIE-LCH	lch(52.12, 65.40, 138.86°)
OKLab	oklab(57.1% -0.1335 0.0988)
OKLCH	oklch(57.1% 0.166 143.5)
XYZ	xyz(11.0945, 20.2494, 5.6089)
Luminance	0.2025 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278F2B #8F278B

analogous

#578F27 #278F2B #278F5F

triadic

#278F2B #2B278F #8F2B27

tetradic

#278F2B #27578F #8F278B #8F5F27

square

#278F2B #27578F #8F278B #8F5F27

split-complementary

#278F2B #5F278F #8F2757

monochromatic

#0D2F0E #1A5F1D #278F2B #34BF39 #5DD362

Accessibility & contrast

On white

4.16

#278F2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#278F2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278F2B

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278F2B	#FFFFFF	#000000	##000000
##278F2B	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92811D

Deuteranopia (green-blind)

#867934

Tritanopia (blue-blind)

#008B7B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #278f2b;
/* rgb */ color: rgb(39, 143, 43);
/* oklch */ color: oklch(57.1% 0.166 143.5);

Tailwind

colors: {
  custom: {
    50: '#72b16a',
    500: '#278f2b',
    950: '#000000',
  },
}

SCSS

$custom: #278f2b;
$custom-light: #72b16a;
$custom-dark: #000000;

JSON

{
  "hex": "#278f2b",
  "rgb": {
    "r": 39,
    "g": 143,
    "b": 43
  },
  "hsl": {
    "h": 122.308,
    "s": 57.143,
    "l": 35.686
  },
  "oklch": {
    "l": 0.57098,
    "c": 0.16611,
    "h": 143.5
  },
  "luminance": 0.20251
}

Semantic roles & 50–950 ramp

primary

#278F2B

secondary

#B85AB5

accent

#47DBE0

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#091107

muted

#7B807A

Preview Lab

Preview with #278F2B

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

Preview Lab → · Contrast checker → · Palette generator →