#378F18#378F18

#378F18 is a mid, vivid green. Relative luminance 0.205; OKLCH L 57.4% C 0.171 H 139.4°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#378F18
RGB	rgb(55, 143, 24)
HSL	hsl(104, 71%, 33%)
HSV	hsv(104, 83%, 56%)
CMYK	cmyk(61.5%, 0%, 83.2%, 43.9%)
CIE-LAB	lab(52.42, -47.18, 50.31)
CIE-LCH	lch(52.42, 68.97, 133.16°)
OKLab	oklab(57.43% -0.1299 0.1113)
OKLCH	oklch(57.43% 0.171 139.4)
XYZ	xyz(11.5624, 20.5220, 4.2158)
Luminance	0.2052 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378F18 #70188F

analogous

#728F18 #378F18 #188F35

triadic

#378F18 #18378F #8F1837

tetradic

#378F18 #18728F #70188F #8F3518

square

#378F18 #18728F #70188F #8F3518

split-complementary

#378F18 #35188F #8F1872

monochromatic

#0F2606 #235B0F #378F18 #4BC321 #6BDF42

Accessibility & contrast

On white

4.11

#378F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#378F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378F18

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378F18	#FFFFFF	#000000	##000000
##378F18	1.00	4.11	5.10	5.10
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#897A27

Tritanopia (blue-blind)

#2C8A79

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #378f18;
/* rgb */ color: rgb(55, 143, 24);
/* oklch */ color: oklch(57.4% 0.171 139.4);

Tailwind

colors: {
  custom: {
    50: '#79b161',
    500: '#378f18',
    950: '#000000',
  },
}

SCSS

$custom: #378f18;
$custom-light: #79b161;
$custom-dark: #000000;

JSON

{
  "hex": "#378f18",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 24
  },
  "hsl": {
    "h": 104.37,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.57432,
    "c": 0.17101,
    "h": 139.4
  },
  "luminance": 0.20523
}

Semantic roles & 50–950 ramp

primary

#378F18

secondary

#9F43C0

accent

#3AEEBF

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#0A1105

muted

#7C807A

Preview Lab

Preview with #378F18

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

Preview Lab → · Contrast checker → · Palette generator →