#178631#178631

#178631 is a mid, vivid green. Relative luminance 0.175; OKLCH L 54.3% C 0.155 H 146.3°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#178631
RGB	rgb(23, 134, 49)
HSL	hsl(134, 71%, 31%)
HSV	hsv(134, 83%, 53%)
CMYK	cmyk(82.8%, 0%, 63.4%, 47.5%)
CIE-LAB	lab(48.83, -47.93, 36.62)
CIE-LCH	lch(48.83, 60.32, 142.62°)
OKLab	oklab(54.3% -0.129 0.0859)
OKLCH	oklch(54.3% 0.155 146.3)
XYZ	xyz(9.4321, 17.4530, 5.7768)
Luminance	0.1745 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178631 #86176C

analogous

#348617 #178631 #178668

triadic

#178631 #311786 #863117

tetradic

#178631 #173486 #86176C #866817

square

#178631 #173486 #86176C #866817

split-complementary

#178631 #681786 #861734

monochromatic

#051E0B #0E521E #178631 #20BA44 #3ADD60

Accessibility & contrast

On white

4.68

#178631 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#178631 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178631

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178631	#FFFFFF	#000000	##FFFFFF
##178631	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#887928

Deuteranopia (green-blind)

#7C7138

Tritanopia (blue-blind)

#008374

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #178631;
/* rgb */ color: rgb(23, 134, 49);
/* oklch */ color: oklch(54.3% 0.155 146.3);

Tailwind

colors: {
  custom: {
    50: '#6aaa6c',
    500: '#178631',
    950: '#000000',
  },
}

SCSS

$custom: #178631;
$custom-light: #6aaa6c;
$custom-dark: #000000;

JSON

{
  "hex": "#178631",
  "rgb": {
    "r": 23,
    "g": 134,
    "b": 49
  },
  "hsl": {
    "h": 134.054,
    "s": 70.701,
    "l": 30.784
  },
  "oklch": {
    "l": 0.54299,
    "c": 0.15498,
    "h": 146.3
  },
  "luminance": 0.17454
}

Semantic roles & 50–950 ramp

primary

#178631

secondary

#BA3F9D

accent

#3AC4ED

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#081007

muted

#7A7F7A

Preview Lab

Preview with #178631

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

Preview Lab → · Contrast checker → · Palette generator →