#178B2F#178B2F

#178B2F is a mid, vivid green. Relative luminance 0.189; OKLCH L 55.7% C 0.163 H 145.7°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#178B2F
RGB	rgb(23, 139, 47)
HSL	hsl(132, 72%, 32%)
HSV	hsv(132, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 66.2%, 45.5%)
CIE-LAB	lab(50.51, -49.88, 39.45)
CIE-LCH	lch(50.51, 63.59, 141.66°)
OKLab	oklab(55.69% -0.1343 0.0918)
OKLCH	oklch(55.69% 0.163 145.7)
XYZ	xyz(10.0983, 18.8514, 5.7952)
Luminance	0.1885 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B2F #8B1773

analogous

#398B17 #178B2F #178B69

triadic

#178B2F #2F178B #8B2F17

tetradic

#178B2F #17398B #8B1773 #8B6917

square

#178B2F #17398B #8B1773 #8B6917

split-complementary

#178B2F #69178B #8B1739

monochromatic

#06220B #0E561D #178B2F #20C041 #3DDF5F

Accessibility & contrast

On white

4.40

#178B2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#178B2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B2F

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B2F	#FFFFFF	#000000	##000000
##178B2F	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)

#8D7D24

Deuteranopia (green-blind)

#817537

Tritanopia (blue-blind)

#008778

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178b2f;
/* rgb */ color: rgb(23, 139, 47);
/* oklch */ color: oklch(55.7% 0.163 145.7);

Tailwind

colors: {
  custom: {
    50: '#6bae6c',
    500: '#178b2f',
    950: '#000000',
  },
}

SCSS

$custom: #178b2f;
$custom-light: #6bae6c;
$custom-dark: #000000;

JSON

{
  "hex": "#178b2f",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 47
  },
  "hsl": {
    "h": 132.414,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55694,
    "c": 0.16269,
    "h": 145.7
  },
  "luminance": 0.18853
}

Semantic roles & 50–950 ramp

primary

#178B2F

secondary

#BF3FA4

accent

#39C9EE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #178B2F

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

Preview Lab → · Contrast checker → · Palette generator →