#278A2D#278A2D

#278A2D is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.7% C 0.159 H 143.9°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#278A2D
RGB	rgb(39, 138, 45)
HSL	hsl(124, 56%, 35%)
HSV	hsv(124, 72%, 54%)
CMYK	cmyk(71.7%, 0%, 67.4%, 45.9%)
CIE-LAB	lab(50.45, -47.28, 40.36)
CIE-LCH	lch(50.45, 62.16, 139.52°)
OKLab	oklab(55.72% -0.1281 0.0934)
OKLCH	oklch(55.72% 0.159 143.9)
XYZ	xyz(10.3982, 18.7966, 5.5622)
Luminance	0.1880 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278A2D #8A2784

analogous

#538A27 #278A2D #278A5E

triadic

#278A2D #2D278A #8A2D27

tetradic

#278A2D #27538A #8A2784 #8A5E27

square

#278A2D #27538A #8A2784 #8A5E27

split-complementary

#278A2D #5E278A #8A2753

monochromatic

#0C2B0E #1A5A1D #278A2D #34BA3D #5BD162

Accessibility & contrast

On white

4.41

#278A2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#278A2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278A2D

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278A2D	#FFFFFF	#000000	##000000
##278A2D	1.00	4.41	4.76	4.76
#FFFFFF	4.41	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)

#8D7D21

Deuteranopia (green-blind)

#817535

Tritanopia (blue-blind)

#048677

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #278a2d;
/* rgb */ color: rgb(39, 138, 45);
/* oklch */ color: oklch(55.7% 0.159 143.9);

Tailwind

colors: {
  custom: {
    50: '#70ad6a',
    500: '#278a2d',
    950: '#000000',
  },
}

SCSS

$custom: #278a2d;
$custom-light: #70ad6a;
$custom-dark: #000000;

JSON

{
  "hex": "#278a2d",
  "rgb": {
    "r": 39,
    "g": 138,
    "b": 45
  },
  "hsl": {
    "h": 123.636,
    "s": 55.932,
    "l": 34.706
  },
  "oklch": {
    "l": 0.55719,
    "c": 0.15852,
    "h": 143.9
  },
  "luminance": 0.18798
}

Semantic roles & 50–950 ramp

primary

#278A2D

secondary

#B657B0

accent

#49D6DF

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #278A2D

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

Preview Lab → · Contrast checker → · Palette generator →