#378B2B#378B2B

#378B2B is a mid, vivid green. Relative luminance 0.195; OKLCH L 56.5% C 0.155 H 141.3°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#378B2B
RGB	rgb(55, 139, 43)
HSL	hsl(113, 53%, 36%)
HSV	hsv(113, 69%, 55%)
CMYK	cmyk(60.4%, 0%, 69.1%, 45.5%)
CIE-LAB	lab(51.21, -44.25, 42.19)
CIE-LCH	lch(51.21, 61.14, 136.37°)
OKLab	oklab(56.47% -0.1209 0.0969)
OKLCH	oklch(56.47% 0.155 141.3)
XYZ	xyz(11.2437, 19.4509, 5.4469)
Luminance	0.1945 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378B2B #7F2B8B

analogous

#678B2B #378B2B #2B8B4F

triadic

#378B2B #2B378B #8B2B37

tetradic

#378B2B #2B678B #7F2B8B #8B4F2B

square

#378B2B #2B678B #7F2B8B #8B4F2B

split-complementary

#378B2B #4F2B8B #8B2B67

monochromatic

#122E0E #255C1D #378B2B #49BA39 #70CE62

Accessibility & contrast

On white

4.29

#378B2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#378B2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378B2B

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378B2B	#FFFFFF	#000000	##000000
##378B2B	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E1E

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#2B8777

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #378b2b;
/* rgb */ color: rgb(55, 139, 43);
/* oklch */ color: oklch(56.5% 0.155 141.3);

Tailwind

colors: {
  custom: {
    50: '#78ae69',
    500: '#378b2b',
    950: '#000000',
  },
}

SCSS

$custom: #378b2b;
$custom-light: #78ae69;
$custom-dark: #000000;

JSON

{
  "hex": "#378b2b",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 43
  },
  "hsl": {
    "h": 112.5,
    "s": 52.747,
    "l": 35.686
  },
  "oklch": {
    "l": 0.5647,
    "c": 0.15495,
    "h": 141.3
  },
  "luminance": 0.19452
}

Semantic roles & 50–950 ramp

primary

#378B2B

secondary

#AA5DB5

accent

#4CDCCA

background

#F7FAF6

surface

#EEF4EB

border

#C9CEC6

text

#0A1007

muted

#7C7F7A

Preview Lab

Preview with #378B2B

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

Preview Lab → · Contrast checker → · Palette generator →