#378E1B#378E1B

#378E1B is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.2% C 0.168 H 139.6°. Best body text is #000000 at 5.05:1 contrast (WCAG AA passes).

Color values

HEX	#378E1B
RGB	rgb(55, 142, 27)
HSL	hsl(105, 68%, 33%)
HSV	hsv(105, 81%, 56%)
CMYK	cmyk(61.3%, 0%, 81%, 44.3%)
CIE-LAB	lab(52.10, -46.64, 49.10)
CIE-LCH	lch(52.10, 67.72, 133.52°)
OKLab	oklab(57.17% -0.1283 0.1092)
OKLCH	oklch(57.17% 0.168 139.6)
XYZ	xyz(11.4459, 20.2363, 4.3395)
Luminance	0.2024 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378E1B #721B8E

analogous

#708E1B #378E1B #1B8E38

triadic

#378E1B #1B378E #8E1B37

tetradic

#378E1B #1B708E #721B8E #8E381B

square

#378E1B #1B708E #721B8E #8E381B

split-complementary

#378E1B #381B8E #8E1B70

monochromatic

#0F2707 #235B11 #378E1B #4BC125 #6CDC47

Accessibility & contrast

On white

4.16

#378E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.05

#378E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378E1B

5.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378E1B	#FFFFFF	#000000	##000000
##378E1B	1.00	4.16	5.05	5.05
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.05	21.00	1.00	1.00
##000000	5.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928100

Deuteranopia (green-blind)

#887A29

Tritanopia (blue-blind)

#2C8979

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #378e1b;
/* rgb */ color: rgb(55, 142, 27);
/* oklch */ color: oklch(57.2% 0.168 139.6);

Tailwind

colors: {
  custom: {
    50: '#79b062',
    500: '#378e1b',
    950: '#000000',
  },
}

SCSS

$custom: #378e1b;
$custom-light: #79b062;
$custom-dark: #000000;

JSON

{
  "hex": "#378e1b",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 105.391,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.57173,
    "c": 0.16843,
    "h": 139.6
  },
  "luminance": 0.20237
}

Semantic roles & 50–950 ramp

primary

#378E1B

secondary

#A147BE

accent

#3DEBC1

background

#F7FAF6

surface

#EEF5EB

border

#C9CFC6

text

#0A1005

muted

#7C7F7A

Preview Lab

Preview with #378E1B

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

Preview Lab → · Contrast checker → · Palette generator →