#178833#178833

#178833 is a mid, vivid green. Relative luminance 0.180; OKLCH L 54.9% C 0.156 H 146.6°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#178833
RGB	rgb(23, 136, 51)
HSL	hsl(135, 71%, 31%)
HSV	hsv(135, 83%, 53%)
CMYK	cmyk(83.1%, 0%, 62.5%, 46.7%)
CIE-LAB	lab(49.53, -48.37, 36.47)
CIE-LCH	lch(49.53, 60.57, 142.98°)
OKLab	oklab(54.89% -0.1301 0.0858)
OKLCH	oklch(54.89% 0.156 146.6)
XYZ	xyz(9.7543, 18.0283, 6.0970)
Luminance	0.1803 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178833 #88176C

analogous

#338817 #178833 #17886B

triadic

#178833 #331788 #883317

tetradic

#178833 #173388 #88176C #886B17

square

#178833 #173388 #88176C #886B17

split-complementary

#178833 #6B1788 #881733

monochromatic

#051F0C #0E541F #178833 #20BC47 #3BDE64

Accessibility & contrast

On white

4.56

#178833 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#178833 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178833

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178833	#FFFFFF	#000000	##000000
##178833	1.00	4.56	4.61	4.61
#FFFFFF	4.56	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A7B2A

Deuteranopia (green-blind)

#7E723A

Tritanopia (blue-blind)

#008576

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #178833;
/* rgb */ color: rgb(23, 136, 51);
/* oklch */ color: oklch(54.9% 0.156 146.6);

Tailwind

colors: {
  custom: {
    50: '#6aac6e',
    500: '#178833',
    950: '#000000',
  },
}

SCSS

$custom: #178833;
$custom-light: #6aac6e;
$custom-dark: #000000;

JSON

{
  "hex": "#178833",
  "rgb": {
    "r": 23,
    "g": 136,
    "b": 51
  },
  "hsl": {
    "h": 134.867,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54891,
    "c": 0.15583,
    "h": 146.6
  },
  "luminance": 0.18029
}

Semantic roles & 50–950 ramp

primary

#178833

secondary

#BC3F9D

accent

#3AC1EE

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#081007

muted

#7A7F7A

Preview Lab

Preview with #178833

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

Preview Lab → · Contrast checker → · Palette generator →