#178F23#178F23

#178F23 is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.7% C 0.176 H 143.8°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#178F23
RGB	rgb(23, 143, 35)
HSL	hsl(126, 72%, 33%)
HSV	hsv(126, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 75.5%, 43.9%)
CIE-LAB	lab(51.78, -52.39, 45.78)
CIE-LCH	lch(51.78, 69.58, 138.86°)
OKLab	oklab(56.72% -0.1417 0.1036)
OKLCH	oklch(56.72% 0.176 143.8)
XYZ	xyz(10.4785, 19.9471, 4.8877)
Luminance	0.1995 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F23 #8F1783

analogous

#478F17 #178F23 #178F5F

triadic

#178F23 #23178F #8F2317

tetradic

#178F23 #17478F #8F1783 #8F5F17

square

#178F23 #17478F #8F1783 #8F5F17

split-complementary

#178F23 #5F178F #8F1747

monochromatic

#062609 #0F5A16 #178F23 #1FC430 #40E050

Accessibility & contrast

On white

4.21

#178F23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#178F23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F23

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F23	#FFFFFF	#000000	##000000
##178F23	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#92810E

Deuteranopia (green-blind)

#85782F

Tritanopia (blue-blind)

#008B7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #178f23;
/* rgb */ color: rgb(23, 143, 35);
/* oklch */ color: oklch(56.7% 0.176 143.8);

Tailwind

colors: {
  custom: {
    50: '#6db165',
    500: '#178f23',
    950: '#000000',
  },
}

SCSS

$custom: #178f23;
$custom-light: #6db165;
$custom-dark: #000000;

JSON

{
  "hex": "#178f23",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 35
  },
  "hsl": {
    "h": 126,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.56715,
    "c": 0.17553,
    "h": 143.8
  },
  "luminance": 0.19948
}

Semantic roles & 50–950 ramp

primary

#178F23

secondary

#C141B4

accent

#39DDEF

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081106

muted

#7B807A

Preview Lab

Preview with #178F23

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

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