#178531#178531

#178531 is a mid, vivid green. Relative luminance 0.172; OKLCH L 54.0% C 0.154 H 146.4°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#178531
RGB	rgb(23, 133, 49)
HSL	hsl(134, 71%, 31%)
HSV	hsv(134, 83%, 52%)
CMYK	cmyk(82.7%, 0%, 63.2%, 47.8%)
CIE-LAB	lab(48.48, -47.59, 36.23)
CIE-LCH	lch(48.48, 59.81, 142.72°)
OKLab	oklab(54.02% -0.128 0.0851)
OKLCH	oklch(54.02% 0.154 146.4)
XYZ	xyz(9.2946, 17.1778, 5.7309)
Luminance	0.1718 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178531 #85176B

analogous

#348517 #178531 #178568

triadic

#178531 #311785 #853117

tetradic

#178531 #173485 #85176B #856817

square

#178531 #173485 #85176B #856817

split-complementary

#178531 #681785 #851734

monochromatic

#051D0B #0E511E #178531 #20B944 #3ADD60

Accessibility & contrast

On white

4.73

#178531 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#178531 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178531

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178531	#FFFFFF	#000000	##FFFFFF
##178531	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877828

Deuteranopia (green-blind)

#7B7038

Tritanopia (blue-blind)

#008273

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #178531;
/* rgb */ color: rgb(23, 133, 49);
/* oklch */ color: oklch(54.0% 0.154 146.4);

Tailwind

colors: {
  custom: {
    50: '#6aaa6c',
    500: '#178531',
    950: '#000000',
  },
}

SCSS

$custom: #178531;
$custom-light: #6aaa6c;
$custom-dark: #000000;

JSON

{
  "hex": "#178531",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 49
  },
  "hsl": {
    "h": 134.182,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.54015,
    "c": 0.15374,
    "h": 146.4
  },
  "luminance": 0.17179
}

Semantic roles & 50–950 ramp

primary

#178531

secondary

#B93F9C

accent

#3BC3ED

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#081007

muted

#7A7F7A

Preview Lab

Preview with #178531

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

Preview Lab → · Contrast checker → · Palette generator →