#178C1A#178C1A

#178C1A is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.8% C 0.177 H 143.0°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#178C1A
RGB	rgb(23, 140, 26)
HSL	hsl(122, 72%, 32%)
HSV	hsv(122, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 81.4%, 45.1%)
CIE-LAB	lab(50.70, -52.11, 47.84)
CIE-LCH	lch(50.70, 70.74, 137.45°)
OKLab	oklab(55.8% -0.1413 0.1066)
OKLCH	oklch(55.8% 0.177 143)
XYZ	xyz(9.9172, 19.0117, 4.1240)
Luminance	0.1901 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C1A #8C1789

analogous

#4F8C17 #178C1A #178C54

triadic

#178C1A #1A178C #8C1A17

tetradic

#178C1A #174F8C #8C1789 #8C5417

square

#178C1A #174F8C #8C1789 #8C5417

split-complementary

#178C1A #54178C #8C174F

monochromatic

#062306 #0E5710 #178C1A #20C124 #3EDF42

Accessibility & contrast

On white

4.37

#178C1A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#178C1A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C1A

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C1A	#FFFFFF	#000000	##000000
##178C1A	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#837528

Tritanopia (blue-blind)

#008877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178c1a;
/* rgb */ color: rgb(23, 140, 26);
/* oklch */ color: oklch(55.8% 0.177 143.0);

Tailwind

colors: {
  custom: {
    50: '#6daf61',
    500: '#178c1a',
    950: '#000000',
  },
}

SCSS

$custom: #178c1a;
$custom-light: #6daf61;
$custom-dark: #000000;

JSON

{
  "hex": "#178c1a",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 26
  },
  "hsl": {
    "h": 121.538,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55801,
    "c": 0.17704,
    "h": 143
  },
  "luminance": 0.19013
}

Semantic roles & 50–950 ramp

primary

#178C1A

secondary

#BF3FBC

accent

#39EAEF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081005

muted

#7B7F7A

Preview Lab

Preview with #178C1A

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

Preview Lab → · Contrast checker → · Palette generator →