#378B4E#378B4E

#378B4E is a mid, vivid green. Relative luminance 0.198; OKLCH L 57.0% C 0.124 H 149.7°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#378B4E
RGB	rgb(55, 139, 78)
HSL	hsl(136, 43%, 38%)
HSV	hsv(136, 60%, 55%)
CMYK	cmyk(60.4%, 0%, 43.9%, 45.5%)
CIE-LAB	lab(51.64, -39.46, 25.22)
CIE-LCH	lch(51.64, 46.83, 147.41°)
OKLab	oklab(56.96% -0.1067 0.0622)
OKLCH	oklch(56.96% 0.124 149.7)
XYZ	xyz(12.1824, 19.8264, 10.3911)
Luminance	0.1983 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378B4E #8B3774

analogous

#4A8B37 #378B4E #378B78

triadic

#378B4E #4E378B #8B4E37

tetradic

#378B4E #374A8B #8B3774 #8B7837

square

#378B4E #374A8B #8B3774 #8B7837

split-complementary

#378B4E #78378B #8B374A

monochromatic

#14331D #265F35 #378B4E #48B767 #74C88B

Accessibility & contrast

On white

4.23

#378B4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#378B4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378B4E

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378B4E	#FFFFFF	#000000	##000000
##378B4E	1.00	4.23	4.97	4.97
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C804A

Deuteranopia (green-blind)

#817852

Tritanopia (blue-blind)

#20897C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #378b4e;
/* rgb */ color: rgb(55, 139, 78);
/* oklch */ color: oklch(57.0% 0.124 149.7);

Tailwind

colors: {
  custom: {
    50: '#76ae80',
    500: '#378b4e',
    950: '#000000',
  },
}

SCSS

$custom: #378b4e;
$custom-light: #76ae80;
$custom-dark: #000000;

JSON

{
  "hex": "#378b4e",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 78
  },
  "hsl": {
    "h": 136.429,
    "s": 43.299,
    "l": 38.039
  },
  "oklch": {
    "l": 0.56963,
    "c": 0.12353,
    "h": 149.7
  },
  "luminance": 0.19828
}

Semantic roles & 50–950 ramp

primary

#378B4E

secondary

#B16D9E

accent

#55B0D3

background

#F7FAF7

surface

#EEF4EE

border

#C9CEC9

text

#09100A

muted

#7B7F7C

Preview Lab

Preview with #378B4E

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

Preview Lab → · Contrast checker → · Palette generator →