#378A18#378A18

#378A18 is a mid, vivid green. Relative luminance 0.191; OKLCH L 56.0% C 0.165 H 139.2°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#378A18
RGB	rgb(55, 138, 24)
HSL	hsl(104, 70%, 32%)
HSV	hsv(104, 83%, 54%)
CMYK	cmyk(60.1%, 0%, 82.6%, 45.9%)
CIE-LAB	lab(50.75, -45.33, 48.76)
CIE-LCH	lch(50.75, 66.58, 132.91°)
OKLab	oklab(56.05% -0.1249 0.108)
OKLCH	oklch(56.05% 0.165 139.2)
XYZ	xyz(10.8284, 19.0542, 3.9712)
Luminance	0.1905 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378A18 #6B188A

analogous

#708A18 #378A18 #188A32

triadic

#378A18 #18378A #8A1837

tetradic

#378A18 #18708A #6B188A #8A3218

square

#378A18 #18708A #6B188A #8A3218

split-complementary

#378A18 #32188A #8A1870

monochromatic

#0D2206 #22560F #378A18 #4CBE21 #6ADE3F

Accessibility & contrast

On white

4.36

#378A18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#378A18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378A18

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378A18	#FFFFFF	#000000	##000000
##378A18	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D00

Deuteranopia (green-blind)

#847626

Tritanopia (blue-blind)

#2E8575

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #378a18;
/* rgb */ color: rgb(55, 138, 24);
/* oklch */ color: oklch(56.0% 0.165 139.2);

Tailwind

colors: {
  custom: {
    50: '#79ad60',
    500: '#378a18',
    950: '#000000',
  },
}

SCSS

$custom: #378a18;
$custom-light: #79ad60;
$custom-dark: #000000;

JSON

{
  "hex": "#378a18",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 24
  },
  "hsl": {
    "h": 103.684,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.5605,
    "c": 0.16513,
    "h": 139.2
  },
  "luminance": 0.19055
}

Semantic roles & 50–950 ramp

primary

#378A18

secondary

#9B40BD

accent

#3BEDBD

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #378A18

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

Preview Lab → · Contrast checker → · Palette generator →