#178E2B#178E2B

#178E2B is a mid, vivid green. Relative luminance 0.197; OKLCH L 56.5% C 0.169 H 144.9°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#178E2B
RGB	rgb(23, 142, 43)
HSL	hsl(130, 72%, 32%)
HSV	hsv(130, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 69.7%, 44.3%)
CIE-LAB	lab(51.50, -51.32, 42.28)
CIE-LCH	lch(51.50, 66.49, 140.52°)
OKLab	oklab(56.5% -0.1384 0.0973)
OKLCH	oklch(56.5% 0.169 144.9)
XYZ	xyz(10.4616, 19.7013, 5.5364)
Luminance	0.1970 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E2B #8E177A

analogous

#3F8E17 #178E2B #178E67

triadic

#178E2B #2B178E #8E2B17

tetradic

#178E2B #173F8E #8E177A #8E6717

square

#178E2B #173F8E #8E177A #8E6717

split-complementary

#178E2B #67178E #8E173F

monochromatic

#06250B #0E591B #178E2B #20C33B #3FE05A

Accessibility & contrast

On white

4.25

#178E2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#178E2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E2B

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E2B	#FFFFFF	#000000	##000000
##178E2B	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91801D

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#008A7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178e2b;
/* rgb */ color: rgb(23, 142, 43);
/* oklch */ color: oklch(56.5% 0.169 144.9);

Tailwind

colors: {
  custom: {
    50: '#6cb06a',
    500: '#178e2b',
    950: '#000000',
  },
}

SCSS

$custom: #178e2b;
$custom-light: #6cb06a;
$custom-dark: #000000;

JSON

{
  "hex": "#178e2b",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 43
  },
  "hsl": {
    "h": 130.084,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.56501,
    "c": 0.16919,
    "h": 144.9
  },
  "luminance": 0.19703
}

Semantic roles & 50–950 ramp

primary

#178E2B

secondary

#C040AB

accent

#39D0EF

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081107

muted

#7B807A

Preview Lab

Preview with #178E2B

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

Preview Lab → · Contrast checker → · Palette generator →