#378B18#378B18

#378B18 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.3% C 0.166 H 139.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#378B18
RGB	rgb(55, 139, 24)
HSL	hsl(104, 71%, 32%)
HSV	hsv(104, 83%, 55%)
CMYK	cmyk(60.4%, 0%, 82.7%, 45.5%)
CIE-LAB	lab(51.09, -45.70, 49.07)
CIE-LCH	lch(51.09, 67.06, 132.96°)
OKLab	oklab(56.33% -0.1259 0.1087)
OKLCH	oklch(56.33% 0.166 139.2)
XYZ	xyz(10.9726, 19.3424, 4.0192)
Luminance	0.1934 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378B18 #6C188B

analogous

#718B18 #378B18 #188B33

triadic

#378B18 #18378B #8B1837

tetradic

#378B18 #18718B #6C188B #8B3318

square

#378B18 #18718B #6C188B #8B3318

split-complementary

#378B18 #33188B #8B1871

monochromatic

#0E2306 #22570F #378B18 #4CBF21 #6ADE3F

Accessibility & contrast

On white

4.31

#378B18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#378B18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378B18

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378B18	#FFFFFF	#000000	##000000
##378B18	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#857726

Tritanopia (blue-blind)

#2D8676

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #378b18;
/* rgb */ color: rgb(55, 139, 24);
/* oklch */ color: oklch(56.3% 0.166 139.2);

Tailwind

colors: {
  custom: {
    50: '#79ae60',
    500: '#378b18',
    950: '#000000',
  },
}

SCSS

$custom: #378b18;
$custom-light: #79ae60;
$custom-dark: #000000;

JSON

{
  "hex": "#378b18",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 24
  },
  "hsl": {
    "h": 103.826,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56327,
    "c": 0.16631,
    "h": 139.2
  },
  "luminance": 0.19343
}

Semantic roles & 50–950 ramp

primary

#378B18

secondary

#9C40BE

accent

#3AEDBD

background

#F7FAF5

surface

#EEF4EA

border

#C9CEC6

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #378B18

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

Preview Lab → · Contrast checker → · Palette generator →