#378B4D#378B4D

#378B4D is a mid, vivid green. Relative luminance 0.198; OKLCH L 56.9% C 0.125 H 149.4°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#378B4D
RGB	rgb(55, 139, 77)
HSL	hsl(136, 43%, 38%)
HSV	hsv(136, 60%, 55%)
CMYK	cmyk(60.4%, 0%, 44.6%, 45.5%)
CIE-LAB	lab(51.62, -39.63, 25.75)
CIE-LCH	lch(51.62, 47.26, 146.99°)
OKLab	oklab(56.95% -0.1072 0.0634)
OKLCH	oklch(56.95% 0.125 149.4)
XYZ	xyz(12.1469, 19.8121, 10.2037)
Luminance	0.1981 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378B4D #8B3775

analogous

#4B8B37 #378B4D #378B77

triadic

#378B4D #4D378B #8B4D37

tetradic

#378B4D #374B8B #8B3775 #8B7737

square

#378B4D #374B8B #8B3775 #8B7737

split-complementary

#378B4D #77378B #8B374B

monochromatic

#14331C #265F35 #378B4D #48B765 #74C88A

Accessibility & contrast

On white

4.23

#378B4D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#378B4D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378B4D

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378B4D	#FFFFFF	#000000	##000000
##378B4D	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C8048

Deuteranopia (green-blind)

#817851

Tritanopia (blue-blind)

#21897C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #378b4d;
/* rgb */ color: rgb(55, 139, 77);
/* oklch */ color: oklch(56.9% 0.125 149.4);

Tailwind

colors: {
  custom: {
    50: '#76ae7f',
    500: '#378b4d',
    950: '#000000',
  },
}

SCSS

$custom: #378b4d;
$custom-light: #76ae7f;
$custom-dark: #000000;

JSON

{
  "hex": "#378b4d",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 77
  },
  "hsl": {
    "h": 135.714,
    "s": 43.299,
    "l": 38.039
  },
  "oklch": {
    "l": 0.56945,
    "c": 0.12453,
    "h": 149.4
  },
  "luminance": 0.19813
}

Semantic roles & 50–950 ramp

primary

#378B4D

secondary

#B16D9F

accent

#55B2D3

background

#F7FAF7

surface

#EEF4EE

border

#C9CEC9

text

#09100A

muted

#7B7F7C

Preview Lab

Preview with #378B4D

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

Preview Lab → · Contrast checker → · Palette generator →