#278C40#278C40

#278C40 is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.5% C 0.145 H 147.7°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#278C40
RGB	rgb(39, 140, 64)
HSL	hsl(135, 56%, 35%)
HSV	hsv(135, 72%, 55%)
CMYK	cmyk(72.1%, 0%, 54.3%, 45.1%)
CIE-LAB	lab(51.33, -45.54, 32.19)
CIE-LCH	lch(51.33, 55.77, 144.74°)
OKLab	oklab(56.52% -0.1227 0.0774)
OKLCH	oklch(56.52% 0.145 147.7)
XYZ	xyz(11.1394, 19.5564, 8.0372)
Luminance	0.1956 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#278C40 #8C2773

analogous

#418C27 #278C40 #278C72

triadic

#278C40 #40278C #8C4027

tetradic

#278C40 #27418C #8C2773 #8C7227

square

#278C40 #27418C #8C2773 #8C7227

split-complementary

#278C40 #72278C #8C2741

monochromatic

#0C2C14 #1A5C2A #278C40 #34BC56 #5CD279

Accessibility & contrast

On white

4.28

#278C40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#278C40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #278C40

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##278C40	#FFFFFF	#000000	##000000
##278C40	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7F39

Deuteranopia (green-blind)

#827746

Tritanopia (blue-blind)

#00897B

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #278c40;
/* rgb */ color: rgb(39, 140, 64);
/* oklch */ color: oklch(56.5% 0.145 147.7);

Tailwind

colors: {
  custom: {
    50: '#70af77',
    500: '#278c40',
    950: '#000000',
  },
}

SCSS

$custom: #278c40;
$custom-light: #70af77;
$custom-dark: #000000;

JSON

{
  "hex": "#278c40",
  "rgb": {
    "r": 39,
    "g": 140,
    "b": 64
  },
  "hsl": {
    "h": 134.851,
    "s": 56.425,
    "l": 35.098
  },
  "oklch": {
    "l": 0.56518,
    "c": 0.14505,
    "h": 147.7
  },
  "luminance": 0.19558
}

Semantic roles & 50–950 ramp

primary

#278C40

secondary

#B7589F

accent

#48BAE0

background

#F7FAF7

surface

#EDF4ED

border

#C8CEC8

text

#081009

muted

#7B7F7B

Preview Lab

Preview with #278C40

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

Preview Lab → · Contrast checker → · Palette generator →