#178B24#178B24

#178B24 is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.6% C 0.170 H 144.0°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#178B24
RGB	rgb(23, 139, 36)
HSL	hsl(127, 72%, 32%)
HSV	hsv(127, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 74.1%, 45.5%)
CIE-LAB	lab(50.42, -51.02, 44.01)
CIE-LCH	lch(50.42, 67.38, 139.21°)
OKLab	oklab(55.59% -0.1379 0.1001)
OKLCH	oklch(55.59% 0.17 144)
XYZ	xyz(9.9037, 18.7736, 4.7704)
Luminance	0.1878 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B24 #8B177E

analogous

#448B17 #178B24 #178B5E

triadic

#178B24 #24178B #8B2417

tetradic

#178B24 #17448B #8B177E #8B5E17

square

#178B24 #17448B #8B177E #8B5E17

split-complementary

#178B24 #5E178B #8B1744

monochromatic

#062209 #0E5616 #178B24 #20C032 #3DDF50

Accessibility & contrast

On white

4.42

#178B24 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#178B24 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B24

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B24	#FFFFFF	#000000	##000000
##178B24	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D12

Deuteranopia (green-blind)

#81752F

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178b24;
/* rgb */ color: rgb(23, 139, 36);
/* oklch */ color: oklch(55.6% 0.170 144.0);

Tailwind

colors: {
  custom: {
    50: '#6cae65',
    500: '#178b24',
    950: '#000000',
  },
}

SCSS

$custom: #178b24;
$custom-light: #6cae65;
$custom-dark: #000000;

JSON

{
  "hex": "#178b24",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 36
  },
  "hsl": {
    "h": 126.724,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55588,
    "c": 0.17037,
    "h": 144
  },
  "luminance": 0.18775
}

Semantic roles & 50–950 ramp

primary

#178B24

secondary

#BF3FB0

accent

#39DAEE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178B24

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

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