#178931#178931

#178931 is a mid, vivid green. Relative luminance 0.183; OKLCH L 55.1% C 0.159 H 146.1°. Best body text is #000000 at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#178931
RGB	rgb(23, 137, 49)
HSL	hsl(134, 71%, 31%)
HSV	hsv(134, 83%, 54%)
CMYK	cmyk(83.2%, 0%, 64.2%, 46.3%)
CIE-LAB	lab(49.85, -48.96, 37.78)
CIE-LCH	lch(49.85, 61.84, 142.34°)
OKLab	oklab(55.15% -0.1318 0.0884)
OKLCH	oklch(55.15% 0.159 146.1)
XYZ	xyz(9.8526, 18.2940, 5.9170)
Luminance	0.1830 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178931 #89176F

analogous

#368917 #178931 #17896A

triadic

#178931 #311789 #893117

tetradic

#178931 #173689 #89176F #896A17

square

#178931 #173689 #89176F #896A17

split-complementary

#178931 #6A1789 #891736

monochromatic

#05200C #0E551E #178931 #20BD44 #3CDE61

Accessibility & contrast

On white

4.51

#178931 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.66

#178931 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178931

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178931	#FFFFFF	#000000	##000000
##178931	1.00	4.51	4.66	4.66
#FFFFFF	4.51	1.00	21.00	21.00
#000000	4.66	21.00	1.00	1.00
##000000	4.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7C27

Deuteranopia (green-blind)

#7F7339

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #178931;
/* rgb */ color: rgb(23, 137, 49);
/* oklch */ color: oklch(55.1% 0.159 146.1);

Tailwind

colors: {
  custom: {
    50: '#6bad6d',
    500: '#178931',
    950: '#000000',
  },
}

SCSS

$custom: #178931;
$custom-light: #6bad6d;
$custom-dark: #000000;

JSON

{
  "hex": "#178931",
  "rgb": {
    "r": 23,
    "g": 137,
    "b": 49
  },
  "hsl": {
    "h": 133.684,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.5515,
    "c": 0.15869,
    "h": 146.1
  },
  "luminance": 0.18295
}

Semantic roles & 50–950 ramp

primary

#178931

secondary

#BD3FA0

accent

#3AC5EE

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #178931

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

Preview Lab → · Contrast checker → · Palette generator →