#278B3D#278B3D

#278B3D is a mid, vivid green. Relative luminance 0.192; OKLCH L 56.2% C 0.146 H 147.1°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#278B3D
RGB	rgb(39, 139, 61)
HSL	hsl(133, 56%, 35%)
HSV	hsv(133, 72%, 55%)
CMYK	cmyk(71.9%, 0%, 56.1%, 45.5%)
CIE-LAB	lab(50.96, -45.61, 33.27)
CIE-LCH	lch(50.96, 56.46, 143.89°)
OKLab	oklab(56.2% -0.1229 0.0796)
OKLCH	oklch(56.2% 0.146 147.1)
XYZ	xyz(10.9108, 19.2323, 7.5512)
Luminance	0.1923 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278B3D #8B2775

analogous

#438B27 #278B3D #278B6F

triadic

#278B3D #3D278B #8B3D27

tetradic

#278B3D #27438B #8B2775 #8B6F27

square

#278B3D #27438B #8B2775 #8B6F27

split-complementary

#278B3D #6F278B #8B2743

monochromatic

#0C2B13 #1A5B28 #278B3D #34BB52 #5BD175

Accessibility & contrast

On white

4.33

#278B3D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#278B3D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278B3D

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278B3D	#FFFFFF	#000000	##000000
##278B3D	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7E36

Deuteranopia (green-blind)

#817643

Tritanopia (blue-blind)

#008879

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #278b3d;
/* rgb */ color: rgb(39, 139, 61);
/* oklch */ color: oklch(56.2% 0.146 147.1);

Tailwind

colors: {
  custom: {
    50: '#70ae74',
    500: '#278b3d',
    950: '#000000',
  },
}

SCSS

$custom: #278b3d;
$custom-light: #70ae74;
$custom-dark: #000000;

JSON

{
  "hex": "#278b3d",
  "rgb": {
    "r": 39,
    "g": 139,
    "b": 61
  },
  "hsl": {
    "h": 133.2,
    "s": 56.18,
    "l": 34.902
  },
  "oklch": {
    "l": 0.56197,
    "c": 0.14646,
    "h": 147.1
  },
  "luminance": 0.19233
}

Semantic roles & 50–950 ramp

primary

#278B3D

secondary

#B658A1

accent

#48BEDF

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081008

muted

#7B7F7B

Preview Lab

Preview with #278B3D

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

Preview Lab → · Contrast checker → · Palette generator →