#278A2A#278A2A

#278A2A is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.7% C 0.161 H 143.4°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#278A2A
RGB	rgb(39, 138, 42)
HSL	hsl(122, 56%, 35%)
HSV	hsv(122, 72%, 54%)
CMYK	cmyk(71.7%, 0%, 69.6%, 45.9%)
CIE-LAB	lab(50.42, -47.59, 41.64)
CIE-LCH	lch(50.42, 63.24, 138.82°)
OKLab	oklab(55.69% -0.1291 0.0958)
OKLCH	oklch(55.69% 0.161 143.4)
XYZ	xyz(10.3425, 18.7743, 5.2688)
Luminance	0.1878 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A2A #8A2787

analogous

#568A27 #278A2A #278A5B

triadic

#278A2A #2A278A #8A2A27

tetradic

#278A2A #27568A #8A2787 #8A5B27

square

#278A2A #27568A #8A2787 #8A5B27

split-complementary

#278A2A #5B278A #8A2756

monochromatic

#0C2B0D #1A5A1B #278A2A #34BA39 #5BD15E

Accessibility & contrast

On white

4.42

#278A2A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#278A2A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A2A

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A2A	#FFFFFF	#000000	##000000
##278A2A	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7D1D

Deuteranopia (green-blind)

#817533

Tritanopia (blue-blind)

#068677

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #278a2a;
/* rgb */ color: rgb(39, 138, 42);
/* oklch */ color: oklch(55.7% 0.161 143.4);

Tailwind

colors: {
  custom: {
    50: '#71ad69',
    500: '#278a2a',
    950: '#000000',
  },
}

SCSS

$custom: #278a2a;
$custom-light: #71ad69;
$custom-dark: #000000;

JSON

{
  "hex": "#278a2a",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 42
  },
  "hsl": {
    "h": 121.818,
    "s": 55.932,
    "l": 34.706
  },
  "oklch": {
    "l": 0.55689,
    "c": 0.16072,
    "h": 143.4
  },
  "luminance": 0.18775
}

Semantic roles & 50–950 ramp

primary

#278A2A

secondary

#B657B3

accent

#49DBDF

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091006

muted

#7B7F7A

Preview Lab

Preview with #278A2A

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

Preview Lab → · Contrast checker → · Palette generator →