#178828#178828

#178828 is a mid, vivid green. Relative luminance 0.179; OKLCH L 54.8% C 0.164 H 144.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#178828
RGB	rgb(23, 136, 40)
HSL	hsl(129, 71%, 31%)
HSV	hsv(129, 83%, 53%)
CMYK	cmyk(83.1%, 0%, 70.6%, 46.7%)
CIE-LAB	lab(49.43, -49.65, 41.34)
CIE-LCH	lch(49.43, 64.60, 140.22°)
OKLab	oklab(54.77% -0.134 0.095)
OKLCH	oklch(54.77% 0.164 144.7)
XYZ	xyz(9.5398, 17.9425, 4.9675)
Luminance	0.1794 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178828 #881777

analogous

#3E8817 #178828 #178860

triadic

#178828 #281788 #882817

tetradic

#178828 #173E88 #881777 #886017

square

#178828 #173E88 #881777 #886017

split-complementary

#178828 #601788 #88173E

monochromatic

#051F09 #0E5419 #178828 #20BC37 #3BDE54

Accessibility & contrast

On white

4.58

#178828 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#178828 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178828

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178828	#FFFFFF	#000000	##000000
##178828	1.00	4.58	4.59	4.59
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7B1A

Deuteranopia (green-blind)

#7E7231

Tritanopia (blue-blind)

#008475

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #178828;
/* rgb */ color: rgb(23, 136, 40);
/* oklch */ color: oklch(54.8% 0.164 144.7);

Tailwind

colors: {
  custom: {
    50: '#6bac67',
    500: '#178828',
    950: '#000000',
  },
}

SCSS

$custom: #178828;
$custom-light: #6bac67;
$custom-dark: #000000;

JSON

{
  "hex": "#178828",
  "rgb": {
    "r": 23,
    "g": 136,
    "b": 40
  },
  "hsl": {
    "h": 129.027,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54771,
    "c": 0.16423,
    "h": 144.7
  },
  "luminance": 0.17944
}

Semantic roles & 50–950 ramp

primary

#178828

secondary

#BC3FA9

accent

#3AD3EE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178828

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

Preview Lab → · Contrast checker → · Palette generator →