#378C1F#378C1F

#378C1F is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.6% C 0.164 H 139.9°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#378C1F
RGB	rgb(55, 140, 31)
HSL	hsl(107, 64%, 34%)
HSV	hsv(107, 78%, 55%)
CMYK	cmyk(60.7%, 0%, 77.9%, 45.1%)
CIE-LAB	lab(51.46, -45.63, 47.15)
CIE-LCH	lch(51.46, 65.62, 134.06°)
OKLab	oklab(56.65% -0.1253 0.1057)
OKLCH	oklch(56.65% 0.164 139.9)
XYZ	xyz(11.2005, 19.6663, 4.5018)
Luminance	0.1967 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378C1F #741F8C

analogous

#6D8C1F #378C1F #1F8C3D

triadic

#378C1F #1F378C #8C1F37

tetradic

#378C1F #1F6D8C #741F8C #8C3D1F

square

#378C1F #1F6D8C #741F8C #8C3D1F

split-complementary

#378C1F #3D1F8C #8C1F6D

monochromatic

#102809 #235A14 #378C1F #4BBE2A #6CD84E

Accessibility & contrast

On white

4.26

#378C1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#378C1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378C1F

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378C1F	#FFFFFF	#000000	##000000
##378C1F	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F05

Deuteranopia (green-blind)

#86782B

Tritanopia (blue-blind)

#2C8777

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #378c1f;
/* rgb */ color: rgb(55, 140, 31);
/* oklch */ color: oklch(56.6% 0.164 139.9);

Tailwind

colors: {
  custom: {
    50: '#79ae63',
    500: '#378c1f',
    950: '#000000',
  },
}

SCSS

$custom: #378c1f;
$custom-light: #79ae63;
$custom-dark: #000000;

JSON

{
  "hex": "#378c1f",
  "rgb": {
    "r": 55,
    "g": 140,
    "b": 31
  },
  "hsl": {
    "h": 106.789,
    "s": 63.743,
    "l": 33.529
  },
  "oklch": {
    "l": 0.56646,
    "c": 0.16394,
    "h": 139.9
  },
  "luminance": 0.19667
}

Semantic roles & 50–950 ramp

primary

#378C1F

secondary

#A24CBB

accent

#41E7C2

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A1006

muted

#7C7F7A

Preview Lab

Preview with #378C1F

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

Preview Lab → · Contrast checker → · Palette generator →