#178D23#178D23

#178D23 is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.1% C 0.173 H 143.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#178D23
RGB	rgb(23, 141, 35)
HSL	hsl(126, 72%, 32%)
HSV	hsv(126, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 75.2%, 44.7%)
CIE-LAB	lab(51.10, -51.75, 45.09)
CIE-LCH	lch(51.10, 68.64, 138.94°)
OKLab	oklab(56.15% -0.1399 0.1022)
OKLCH	oklch(56.15% 0.173 143.9)
XYZ	xyz(10.1809, 19.3520, 4.7885)
Luminance	0.1935 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D23 #8D1781

analogous

#468D17 #178D23 #178D5E

triadic

#178D23 #23178D #8D2317

tetradic

#178D23 #17468D #8D1781 #8D5E17

square

#178D23 #17468D #8D1781 #8D5E17

split-complementary

#178D23 #5E178D #8D1746

monochromatic

#062409 #0E5816 #178D23 #20C230 #3FE04F

Accessibility & contrast

On white

4.31

#178D23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#178D23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D23

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D23	#FFFFFF	#000000	##000000
##178D23	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F0F

Deuteranopia (green-blind)

#83762E

Tritanopia (blue-blind)

#008978

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #178d23;
/* rgb */ color: rgb(23, 141, 35);
/* oklch */ color: oklch(56.1% 0.173 143.9);

Tailwind

colors: {
  custom: {
    50: '#6db065',
    500: '#178d23',
    950: '#000000',
  },
}

SCSS

$custom: #178d23;
$custom-light: #6db065;
$custom-dark: #000000;

JSON

{
  "hex": "#178d23",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 35
  },
  "hsl": {
    "h": 126.102,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.56148,
    "c": 0.17327,
    "h": 143.9
  },
  "luminance": 0.19353
}

Semantic roles & 50–950 ramp

primary

#178D23

secondary

#C040B3

accent

#39DCEF

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081106

muted

#7B807A

Preview Lab

Preview with #178D23

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

Preview Lab → · Contrast checker → · Palette generator →