#378E4E#378E4E

#378E4E is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.8% C 0.128 H 149.4°. Best body text is #000000 at 5.14:1 contrast (WCAG AA passes).

Color values

HEX	#378E4E
RGB	rgb(55, 142, 78)
HSL	hsl(136, 44%, 39%)
HSV	hsv(136, 61%, 56%)
CMYK	cmyk(61.3%, 0%, 45.1%, 44.3%)
CIE-LAB	lab(52.63, -40.71, 26.50)
CIE-LCH	lch(52.63, 48.57, 146.94°)
OKLab	oklab(57.77% -0.11 0.0652)
OKLCH	oklch(57.77% 0.128 149.4)
XYZ	xyz(12.6228, 20.7071, 10.5379)
Luminance	0.2071 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378E4E #8E3777

analogous

#4B8E37 #378E4E #378E79

triadic

#378E4E #4E378E #8E4E37

tetradic

#378E4E #374B8E #8E3777 #8E7937

square

#378E4E #374B8E #8E3777 #8E7937

split-complementary

#378E4E #79378E #8E374B

monochromatic

#15361E #266236 #378E4E #49B967 #76CA8C

Accessibility & contrast

On white

4.08

#378E4E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.14

#378E4E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378E4E

5.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378E4E	#FFFFFF	#000000	##000000
##378E4E	1.00	4.08	5.14	5.14
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.14	21.00	1.00	1.00
##000000	5.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F8249

Deuteranopia (green-blind)

#847A52

Tritanopia (blue-blind)

#1F8B7E

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #378e4e;
/* rgb */ color: rgb(55, 142, 78);
/* oklch */ color: oklch(57.8% 0.128 149.4);

Tailwind

colors: {
  custom: {
    50: '#77b080',
    500: '#378e4e',
    950: '#000000',
  },
}

SCSS

$custom: #378e4e;
$custom-light: #77b080;
$custom-dark: #000000;

JSON

{
  "hex": "#378e4e",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 78
  },
  "hsl": {
    "h": 135.862,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.57774,
    "c": 0.1279,
    "h": 149.4
  },
  "luminance": 0.20708
}

Semantic roles & 50–950 ramp

primary

#378E4E

secondary

#B36EA1

accent

#54B2D4

background

#F7FAF7

surface

#EEF5EE

border

#C9CFC9

text

#09100A

muted

#7B7F7C

Preview Lab

Preview with #378E4E

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

Preview Lab → · Contrast checker → · Palette generator →