#378B31#378B31

#378B31 is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.5% C 0.150 H 142.2°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#378B31
RGB	rgb(55, 139, 49)
HSL	hsl(116, 48%, 37%)
HSV	hsv(116, 65%, 55%)
CMYK	cmyk(60.4%, 0%, 64.7%, 45.5%)
CIE-LAB	lab(51.27, -43.63, 39.57)
CIE-LCH	lch(51.27, 58.90, 137.79°)
OKLab	oklab(56.53% -0.1188 0.0921)
OKLCH	oklch(56.53% 0.15 142.2)
XYZ	xyz(11.3620, 19.4982, 6.0699)
Luminance	0.1950 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378B31 #85318B

analogous

#648B31 #378B31 #318B58

triadic

#378B31 #31378B #8B3137

tetradic

#378B31 #31648B #85318B #8B5831

square

#378B31 #31648B #85318B #8B5831

split-complementary

#378B31 #58318B #8B3164

monochromatic

#133111 #255E21 #378B31 #49B841 #72CB6B

Accessibility & contrast

On white

4.29

#378B31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#378B31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378B31

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378B31	#FFFFFF	#000000	##000000
##378B31	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7E26

Deuteranopia (green-blind)

#847739

Tritanopia (blue-blind)

#298778

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #378b31;
/* rgb */ color: rgb(55, 139, 49);
/* oklch */ color: oklch(56.5% 0.150 142.2);

Tailwind

colors: {
  custom: {
    50: '#77ae6d',
    500: '#378b31',
    950: '#000000',
  },
}

SCSS

$custom: #378b31;
$custom-light: #77ae6d;
$custom-dark: #000000;

JSON

{
  "hex": "#378b31",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 49
  },
  "hsl": {
    "h": 116,
    "s": 47.872,
    "l": 36.863
  },
  "oklch": {
    "l": 0.56532,
    "c": 0.15035,
    "h": 142.2
  },
  "luminance": 0.19499
}

Semantic roles & 50–950 ramp

primary

#378B31

secondary

#AD65B2

accent

#50D7CE

background

#F7FAF6

surface

#EEF4EC

border

#C9CEC7

text

#091007

muted

#7B7F7A

Preview Lab

Preview with #378B31

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

Preview Lab → · Contrast checker → · Palette generator →