#378D4B#378D4B

#378D4B is a mid, vivid green. Relative luminance 0.204; OKLCH L 57.5% C 0.129 H 148.5°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#378D4B
RGB	rgb(55, 141, 75)
HSL	hsl(134, 44%, 38%)
HSV	hsv(134, 61%, 55%)
CMYK	cmyk(61%, 0%, 46.8%, 44.7%)
CIE-LAB	lab(52.25, -40.81, 27.64)
CIE-LCH	lch(52.25, 49.28, 145.89°)
OKLab	oklab(57.45% -0.1103 0.0677)
OKLCH	oklch(57.45% 0.129 148.5)
XYZ	xyz(12.3696, 20.3688, 9.9350)
Luminance	0.2037 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378D4B #8D3779

analogous

#4E8D37 #378D4B #378D76

triadic

#378D4B #4B378D #8D4B37

tetradic

#378D4B #374E8D #8D3779 #8D7637

square

#378D4B #374E8D #8D3779 #8D7637

split-complementary

#378D4B #76378D #8D374E

monochromatic

#15351C #266134 #378D4B #49B863 #75C989

Accessibility & contrast

On white

4.14

#378D4B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#378D4B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378D4B

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378D4B	#FFFFFF	#000000	##000000
##378D4B	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E8146

Deuteranopia (green-blind)

#837A4F

Tritanopia (blue-blind)

#218A7D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #378d4b;
/* rgb */ color: rgb(55, 141, 75);
/* oklch */ color: oklch(57.5% 0.129 148.5);

Tailwind

colors: {
  custom: {
    50: '#77af7e',
    500: '#378d4b',
    950: '#000000',
  },
}

SCSS

$custom: #378d4b;
$custom-light: #77af7e;
$custom-dark: #000000;

JSON

{
  "hex": "#378d4b",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 75
  },
  "hsl": {
    "h": 133.953,
    "s": 43.878,
    "l": 38.431
  },
  "oklch": {
    "l": 0.5745,
    "c": 0.12942,
    "h": 148.5
  },
  "luminance": 0.2037
}

Semantic roles & 50–950 ramp

primary

#378D4B

secondary

#B26EA2

accent

#54B6D4

background

#F7FAF7

surface

#EEF5EE

border

#C9CFC9

text

#09100A

muted

#7B7F7C

Preview Lab

Preview with #378D4B

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

Preview Lab → · Contrast checker → · Palette generator →