#178C23#178C23

#178C23 is a mid, vivid green. Relative luminance 0.191; OKLCH L 55.9% C 0.172 H 143.9°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#178C23
RGB	rgb(23, 140, 35)
HSL	hsl(126, 72%, 32%)
HSV	hsv(126, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 75%, 45.1%)
CIE-LAB	lab(50.76, -51.43, 44.74)
CIE-LCH	lch(50.76, 68.17, 138.98°)
OKLab	oklab(55.86% -0.1391 0.1014)
OKLCH	oklch(55.86% 0.172 143.9)
XYZ	xyz(10.0341, 19.0584, 4.7396)
Luminance	0.1906 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C23 #8C1780

analogous

#468C17 #178C23 #178C5E

triadic

#178C23 #23178C #8C2317

tetradic

#178C23 #17468C #8C1780 #8C5E17

square

#178C23 #17468C #8C1780 #8C5E17

split-complementary

#178C23 #5E178C #8C1746

monochromatic

#062309 #0E5716 #178C23 #20C130 #3EDF4F

Accessibility & contrast

On white

4.36

#178C23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#178C23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C23

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C23	#FFFFFF	#000000	##000000
##178C23	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E10

Deuteranopia (green-blind)

#82762E

Tritanopia (blue-blind)

#008878

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178c23;
/* rgb */ color: rgb(23, 140, 35);
/* oklch */ color: oklch(55.9% 0.172 143.9);

Tailwind

colors: {
  custom: {
    50: '#6caf65',
    500: '#178c23',
    950: '#000000',
  },
}

SCSS

$custom: #178c23;
$custom-light: #6caf65;
$custom-dark: #000000;

JSON

{
  "hex": "#178c23",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 35
  },
  "hsl": {
    "h": 126.154,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55864,
    "c": 0.17213,
    "h": 143.9
  },
  "luminance": 0.1906
}

Semantic roles & 50–950 ramp

primary

#178C23

secondary

#BF3FB2

accent

#39DCEF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178C23

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

Preview Lab → · Contrast checker → · Palette generator →