#378312#378312

#378312 is a mid, vivid green. Relative luminance 0.171; OKLCH L 54.1% C 0.159 H 138.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#378312
RGB	rgb(55, 131, 18)
HSL	hsl(100, 76%, 29%)
HSV	hsv(100, 86%, 51%)
CMYK	cmyk(58%, 0%, 86.3%, 48.6%)
CIE-LAB	lab(48.37, -42.99, 48.29)
CIE-LCH	lch(48.37, 64.66, 131.68°)
OKLab	oklab(54.07% -0.1189 0.1061)
OKLCH	oklch(54.07% 0.159 138.3)
XYZ	xyz(9.8007, 17.0877, 3.3539)
Luminance	0.1709 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378312 #5E1283

analogous

#708312 #378312 #128326

triadic

#378312 #123783 #831237

tetradic

#378312 #127083 #5E1283 #832612

square

#378312 #127083 #5E1283 #832612

split-complementary

#378312 #261283 #831270

monochromatic

#0B1B04 #204D0B #378312 #4EB919 #68E22D

Accessibility & contrast

On white

4.75

#378312 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#378312 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #378312

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378312	#FFFFFF	#000000	##FFFFFF
##378312	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877700

Deuteranopia (green-blind)

#7E7121

Tritanopia (blue-blind)

#307E6F

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #378312;
/* rgb */ color: rgb(55, 131, 18);
/* oklch */ color: oklch(54.1% 0.159 138.3);

Tailwind

colors: {
  custom: {
    50: '#77a85c',
    500: '#378312',
    950: '#000000',
  },
}

SCSS

$custom: #378312;
$custom-light: #77a85c;
$custom-dark: #000000;

JSON

{
  "hex": "#378312",
  "rgb": {
    "r": 55,
    "g": 131,
    "b": 18
  },
  "hsl": {
    "h": 100.354,
    "s": 75.839,
    "l": 29.216
  },
  "oklch": {
    "l": 0.54074,
    "c": 0.15941,
    "h": 138.3
  },
  "luminance": 0.17088
}

Semantic roles & 50–950 ramp

primary

#378312

secondary

#8E38B8

accent

#35F2B5

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A1005

muted

#7C7F79

Preview Lab

Preview with #378312

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

Preview Lab → · Contrast checker → · Palette generator →