#178B25#178B25

#178B25 is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.6% C 0.170 H 144.2°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#178B25
RGB	rgb(23, 139, 37)
HSL	hsl(127, 72%, 32%)
HSV	hsv(127, 83%, 55%)
CMYK	cmyk(83.5%, 0%, 73.4%, 45.5%)
CIE-LAB	lab(50.43, -50.92, 43.63)
CIE-LCH	lch(50.43, 67.06, 139.41°)
OKLab	oklab(55.6% -0.1376 0.0994)
OKLCH	oklch(55.6% 0.17 144.2)
XYZ	xyz(9.9192, 18.7797, 4.8520)
Luminance	0.1878 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B25 #8B177D

analogous

#438B17 #178B25 #178B5F

triadic

#178B25 #25178B #8B2517

tetradic

#178B25 #17438B #8B177D #8B5F17

square

#178B25 #17438B #8B177D #8B5F17

split-complementary

#178B25 #5F178B #8B1743

monochromatic

#062209 #0E5617 #178B25 #20C033 #3DDF51

Accessibility & contrast

On white

4.42

#178B25 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#178B25 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B25

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B25	#FFFFFF	#000000	##000000
##178B25	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)

#8E7D14

Deuteranopia (green-blind)

#81752F

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #178b25;
/* rgb */ color: rgb(23, 139, 37);
/* oklch */ color: oklch(55.6% 0.170 144.2);

Tailwind

colors: {
  custom: {
    50: '#6cae66',
    500: '#178b25',
    950: '#000000',
  },
}

SCSS

$custom: #178b25;
$custom-light: #6cae66;
$custom-dark: #000000;

JSON

{
  "hex": "#178b25",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 37
  },
  "hsl": {
    "h": 127.241,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.55597,
    "c": 0.16974,
    "h": 144.2
  },
  "luminance": 0.18781
}

Semantic roles & 50–950 ramp

primary

#178B25

secondary

#BF3FAF

accent

#39D9EE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178B25

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

Preview Lab → · Contrast checker → · Palette generator →