#178428#178428

#178428 is a mid, vivid green. Relative luminance 0.168; OKLCH L 53.6% C 0.159 H 144.8°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#178428
RGB	rgb(23, 132, 40)
HSL	hsl(129, 70%, 30%)
HSV	hsv(129, 83%, 52%)
CMYK	cmyk(82.6%, 0%, 69.7%, 48.2%)
CIE-LAB	lab(48.05, -48.31, 39.87)
CIE-LCH	lch(48.05, 62.63, 140.47°)
OKLab	oklab(53.63% -0.1303 0.0919)
OKLCH	oklch(53.63% 0.159 144.8)
XYZ	xyz(8.9870, 16.8368, 4.7833)
Luminance	0.1684 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178428 #841773

analogous

#3C8417 #178428 #17845E

triadic

#178428 #281784 #842817

tetradic

#178428 #173C84 #841773 #845E17

square

#178428 #173C84 #841773 #845E17

split-complementary

#178428 #5E1784 #84173C

monochromatic

#051C08 #0E5018 #178428 #20B838 #39DC52

Accessibility & contrast

On white

4.81

#178428 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#178428 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178428

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178428	#FFFFFF	#000000	##FFFFFF
##178428	1.00	4.81	4.37	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#86771B

Deuteranopia (green-blind)

#7B6F31

Tritanopia (blue-blind)

#008071

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #178428;
/* rgb */ color: rgb(23, 132, 40);
/* oklch */ color: oklch(53.6% 0.159 144.8);

Tailwind

colors: {
  custom: {
    50: '#6aa967',
    500: '#178428',
    950: '#000000',
  },
}

SCSS

$custom: #178428;
$custom-light: #6aa967;
$custom-dark: #000000;

JSON

{
  "hex": "#178428",
  "rgb": {
    "r": 23,
    "g": 132,
    "b": 40
  },
  "hsl": {
    "h": 129.358,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.5363,
    "c": 0.15947,
    "h": 144.8
  },
  "luminance": 0.16838
}

Semantic roles & 50–950 ramp

primary

#178428

secondary

#B83FA5

accent

#3BD1ED

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#081006

muted

#7A7F7A

Preview Lab

Preview with #178428

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

Preview Lab → · Contrast checker → · Palette generator →