#378F21#378F21

#378F21 is a mid, vivid green. Relative luminance 0.206; OKLCH L 57.5% C 0.166 H 140.2°. Best body text is #000000 at 5.11:1 contrast (WCAG AA passes).

Color values

HEX	#378F21
RGB	rgb(55, 143, 33)
HSL	hsl(108, 63%, 35%)
HSV	hsv(108, 77%, 56%)
CMYK	cmyk(61.5%, 0%, 76.9%, 43.9%)
CIE-LAB	lab(52.47, -46.61, 47.44)
CIE-LCH	lch(52.47, 66.50, 134.50°)
OKLab	oklab(57.49% -0.1278 0.1066)
OKLCH	oklch(57.49% 0.166 140.2)
XYZ	xyz(11.6720, 20.5659, 4.7931)
Luminance	0.2057 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378F21 #79218F

analogous

#6E8F21 #378F21 #218F42

triadic

#378F21 #21378F #8F2137

tetradic

#378F21 #216E8F #79218F #8F4221

square

#378F21 #216E8F #79218F #8F4221

split-complementary

#378F21 #42218F #8F216E

monochromatic

#112C0A #245D16 #378F21 #4AC12C #6ED753

Accessibility & contrast

On white

4.11

#378F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.11

#378F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378F21

5.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378F21	#FFFFFF	#000000	##000000
##378F21	1.00	4.11	5.11	5.11
#FFFFFF	4.11	1.00	21.00	21.00
#000000	5.11	21.00	1.00	1.00
##000000	5.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938209

Deuteranopia (green-blind)

#887A2D

Tritanopia (blue-blind)

#2B8A7A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #378f21;
/* rgb */ color: rgb(55, 143, 33);
/* oklch */ color: oklch(57.5% 0.166 140.2);

Tailwind

colors: {
  custom: {
    50: '#79b165',
    500: '#378f21',
    950: '#000000',
  },
}

SCSS

$custom: #378f21;
$custom-light: #79b165;
$custom-dark: #000000;

JSON

{
  "hex": "#378f21",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 33
  },
  "hsl": {
    "h": 108,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.57488,
    "c": 0.16644,
    "h": 140.2
  },
  "luminance": 0.20567
}

Semantic roles & 50–950 ramp

primary

#378F21

secondary

#A651BB

accent

#42E6C5

background

#F7FBF6

surface

#EEF6EB

border

#C9D0C6

text

#0A1106

muted

#7C807A

Preview Lab

Preview with #378F21

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

Preview Lab → · Contrast checker → · Palette generator →