#178528#178528

#178528 is a mid, vivid green. Relative luminance 0.171; OKLCH L 53.9% C 0.161 H 144.8°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#178528
RGB	rgb(23, 133, 40)
HSL	hsl(129, 71%, 31%)
HSV	hsv(129, 83%, 52%)
CMYK	cmyk(82.7%, 0%, 69.9%, 47.8%)
CIE-LAB	lab(48.40, -48.64, 40.24)
CIE-LCH	lch(48.40, 63.13, 140.40°)
OKLab	oklab(53.92% -0.1313 0.0927)
OKLCH	oklch(53.92% 0.161 144.8)
XYZ	xyz(9.1232, 17.1093, 4.8287)
Luminance	0.1711 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178528 #851774

analogous

#3D8517 #178528 #17855F

triadic

#178528 #281785 #852817

tetradic

#178528 #173D85 #851774 #855F17

square

#178528 #173D85 #851774 #855F17

split-complementary

#178528 #5F1785 #85173D

monochromatic

#051D09 #0E5118 #178528 #20B938 #3ADD53

Accessibility & contrast

On white

4.75

#178528 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#178528 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178528

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178528	#FFFFFF	#000000	##FFFFFF
##178528	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#87781B

Deuteranopia (green-blind)

#7C7031

Tritanopia (blue-blind)

#008172

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #178528;
/* rgb */ color: rgb(23, 133, 40);
/* oklch */ color: oklch(53.9% 0.161 144.8);

Tailwind

colors: {
  custom: {
    50: '#6aaa67',
    500: '#178528',
    950: '#000000',
  },
}

SCSS

$custom: #178528;
$custom-light: #6aaa67;
$custom-dark: #000000;

JSON

{
  "hex": "#178528",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 40
  },
  "hsl": {
    "h": 129.273,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.53916,
    "c": 0.16066,
    "h": 144.8
  },
  "luminance": 0.1711
}

Semantic roles & 50–950 ramp

primary

#178528

secondary

#B93FA6

accent

#3BD2ED

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#081006

muted

#7A7F7A

Preview Lab

Preview with #178528

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

Preview Lab → · Contrast checker → · Palette generator →