#378B1E#378B1E

#378B1E is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.4% C 0.163 H 139.7°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#378B1E
RGB	rgb(55, 139, 30)
HSL	hsl(106, 64%, 33%)
HSV	hsv(106, 78%, 55%)
CMYK	cmyk(60.4%, 0%, 78.4%, 45.5%)
CIE-LAB	lab(51.12, -45.33, 47.17)
CIE-LCH	lch(51.12, 65.42, 133.86°)
OKLab	oklab(56.36% -0.1246 0.1056)
OKLCH	oklch(56.36% 0.163 139.7)
XYZ	xyz(11.0420, 19.3702, 4.3850)
Luminance	0.1937 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378B1E #721E8B

analogous

#6D8B1E #378B1E #1E8B3C

triadic

#378B1E #1E378B #8B1E37

tetradic

#378B1E #1E6D8B #721E8B #8B3C1E

square

#378B1E #1E6D8B #721E8B #8B3C1E

split-complementary

#378B1E #3C1E8B #8B1E6D

monochromatic

#0F2608 #235913 #378B1E #4BBD29 #6CD84B

Accessibility & contrast

On white

4.31

#378B1E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#378B1E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378B1E

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378B1E	#FFFFFF	#000000	##000000
##378B1E	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)

#8F7E04

Deuteranopia (green-blind)

#85772A

Tritanopia (blue-blind)

#2D8676

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #378b1e;
/* rgb */ color: rgb(55, 139, 30);
/* oklch */ color: oklch(56.4% 0.163 139.7);

Tailwind

colors: {
  custom: {
    50: '#78ae63',
    500: '#378b1e',
    950: '#000000',
  },
}

SCSS

$custom: #378b1e;
$custom-light: #78ae63;
$custom-dark: #000000;

JSON

{
  "hex": "#378b1e",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 30
  },
  "hsl": {
    "h": 106.239,
    "s": 64.497,
    "l": 33.137
  },
  "oklch": {
    "l": 0.56363,
    "c": 0.16329,
    "h": 139.7
  },
  "luminance": 0.19371
}

Semantic roles & 50–950 ramp

primary

#378B1E

secondary

#A14ABB

accent

#40E7C1

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A1006

muted

#7C7F7A

Preview Lab

Preview with #378B1E

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

Preview Lab → · Contrast checker → · Palette generator →