#378E50#378E50

#378E50 is a mid, vivid green. Relative luminance 0.207; OKLCH L 57.8% C 0.126 H 150.1°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#378E50
RGB	rgb(55, 142, 80)
HSL	hsl(137, 44%, 39%)
HSV	hsv(137, 61%, 56%)
CMYK	cmyk(61.3%, 0%, 43.7%, 44.3%)
CIE-LAB	lab(52.66, -40.36, 25.45)
CIE-LCH	lch(52.66, 47.71, 147.76°)
OKLab	oklab(57.81% -0.1091 0.0628)
OKLCH	oklch(57.81% 0.126 150.1)
XYZ	xyz(12.6956, 20.7362, 10.9213)
Luminance	0.2074 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378E50 #8E3775

analogous

#498E37 #378E50 #378E7B

triadic

#378E50 #50378E #8E5037

tetradic

#378E50 #37498E #8E3775 #8E7B37

square

#378E50 #37498E #8E3775 #8E7B37

split-complementary

#378E50 #7B378E #8E3749

monochromatic

#15361E #266237 #378E50 #49B969 #76CA8E

Accessibility & contrast

On white

4.08

#378E50 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#378E50 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378E50

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378E50	#FFFFFF	#000000	##000000
##378E50	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F824B

Deuteranopia (green-blind)

#837B54

Tritanopia (blue-blind)

#1E8C7F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #378e50;
/* rgb */ color: rgb(55, 142, 80);
/* oklch */ color: oklch(57.8% 0.126 150.1);

Tailwind

colors: {
  custom: {
    50: '#77b082',
    500: '#378e50',
    950: '#000000',
  },
}

SCSS

$custom: #378e50;
$custom-light: #77b082;
$custom-dark: #000000;

JSON

{
  "hex": "#378e50",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 80
  },
  "hsl": {
    "h": 137.241,
    "s": 44.162,
    "l": 38.627
  },
  "oklch": {
    "l": 0.57811,
    "c": 0.12591,
    "h": 150.1
  },
  "luminance": 0.20737
}

Semantic roles & 50–950 ramp

primary

#378E50

secondary

#B36E9F

accent

#54AFD4

background

#F7FAF8

surface

#EEF5EF

border

#C9CFCA

text

#09100A

muted

#7B7F7C

Preview Lab

Preview with #378E50

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

Preview Lab → · Contrast checker → · Palette generator →