#178B2D#178B2D

#178B2D is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.7% C 0.164 H 145.3°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#178B2D
RGB	rgb(23, 139, 45)
HSL	hsl(131, 72%, 32%)
HSV	hsv(131, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 67.6%, 45.5%)
CIE-LAB	lab(50.49, -50.11, 40.32)
CIE-LCH	lch(50.49, 64.32, 141.18°)
OKLab	oklab(55.67% -0.135 0.0934)
OKLCH	oklch(55.67% 0.164 145.3)
XYZ	xyz(10.0589, 18.8356, 5.5876)
Luminance	0.1884 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B2D #8B1775

analogous

#3B8B17 #178B2D #178B67

triadic

#178B2D #2D178B #8B2D17

tetradic

#178B2D #173B8B #8B1775 #8B6717

square

#178B2D #173B8B #8B1775 #8B6717

split-complementary

#178B2D #67178B #8B173B

monochromatic

#06220B #0E561C #178B2D #20C03E #3DDF5C

Accessibility & contrast

On white

4.40

#178B2D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#178B2D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B2D

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B2D	#FFFFFF	#000000	##000000
##178B2D	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7D21

Deuteranopia (green-blind)

#817536

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178b2d;
/* rgb */ color: rgb(23, 139, 45);
/* oklch */ color: oklch(55.7% 0.164 145.3);

Tailwind

colors: {
  custom: {
    50: '#6cae6a',
    500: '#178b2d',
    950: '#000000',
  },
}

SCSS

$custom: #178b2d;
$custom-light: #6cae6a;
$custom-dark: #000000;

JSON

{
  "hex": "#178b2d",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 45
  },
  "hsl": {
    "h": 131.379,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55673,
    "c": 0.1642,
    "h": 145.3
  },
  "luminance": 0.18837
}

Semantic roles & 50–950 ramp

primary

#178B2D

secondary

#BF3FA6

accent

#39CCEE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #178B2D

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

Preview Lab → · Contrast checker → · Palette generator →