#178831#178831

#178831 is a mid, vivid green. Relative luminance 0.180; OKLCH L 54.9% C 0.157 H 146.2°. Best body text is #000000 at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#178831
RGB	rgb(23, 136, 49)
HSL	hsl(134, 71%, 31%)
HSV	hsv(134, 83%, 53%)
CMYK	cmyk(83.1%, 0%, 64%, 46.7%)
CIE-LAB	lab(49.51, -48.62, 37.39)
CIE-LCH	lch(49.51, 61.34, 142.44°)
OKLab	oklab(54.87% -0.1308 0.0876)
OKLCH	oklch(54.87% 0.157 146.2)
XYZ	xyz(9.7112, 18.0110, 5.8698)
Luminance	0.1801 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178831 #88176E

analogous

#358817 #178831 #178869

triadic

#178831 #311788 #883117

tetradic

#178831 #173588 #88176E #886917

square

#178831 #173588 #88176E #886917

split-complementary

#178831 #691788 #881735

monochromatic

#051F0B #0E541E #178831 #20BC44 #3BDE61

Accessibility & contrast

On white

4.56

#178831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.60

#178831 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178831

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178831	#FFFFFF	#000000	##000000
##178831	1.00	4.56	4.60	4.60
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.60	21.00	1.00	1.00
##000000	4.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7B27

Deuteranopia (green-blind)

#7E7239

Tritanopia (blue-blind)

#008576

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #178831;
/* rgb */ color: rgb(23, 136, 49);
/* oklch */ color: oklch(54.9% 0.157 146.2);

Tailwind

colors: {
  custom: {
    50: '#6bac6d',
    500: '#178831',
    950: '#000000',
  },
}

SCSS

$custom: #178831;
$custom-light: #6bac6d;
$custom-dark: #000000;

JSON

{
  "hex": "#178831",
  "rgb": {
    "r": 23,
    "g": 136,
    "b": 49
  },
  "hsl": {
    "h": 133.805,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54867,
    "c": 0.15746,
    "h": 146.2
  },
  "luminance": 0.18012
}

Semantic roles & 50–950 ramp

primary

#178831

secondary

#BC3F9F

accent

#3AC4EE

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#081007

muted

#7A7F7A

Preview Lab

Preview with #178831

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

Preview Lab → · Contrast checker → · Palette generator →