#178A29#178A29

#178A29 is a mid, vivid green. Relative luminance 0.185; OKLCH L 55.3% C 0.166 H 144.7°. Best body text is #000000 at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#178A29
RGB	rgb(23, 138, 41)
HSL	hsl(129, 71%, 32%)
HSV	hsv(129, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 70.3%, 45.9%)
CIE-LAB	lab(50.12, -50.21, 41.65)
CIE-LCH	lch(50.12, 65.24, 140.32°)
OKLab	oklab(55.35% -0.1355 0.0958)
OKLCH	oklch(55.35% 0.166 144.7)
XYZ	xyz(9.8414, 18.5180, 5.1530)
Luminance	0.1852 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A29 #8A1778

analogous

#3F8A17 #178A29 #178A63

triadic

#178A29 #29178A #8A2917

tetradic

#178A29 #173F8A #8A1778 #8A6317

square

#178A29 #173F8A #8A1778 #8A6317

split-complementary

#178A29 #63178A #8A173F

monochromatic

#06210A #0E5619 #178A29 #20BE39 #3DDF56

Accessibility & contrast

On white

4.46

#178A29 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.70

#178A29 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A29

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A29	#FFFFFF	#000000	##000000
##178A29	1.00	4.46	4.70	4.70
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.70	21.00	1.00	1.00
##000000	4.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7C1B

Deuteranopia (green-blind)

#807432

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #178a29;
/* rgb */ color: rgb(23, 138, 41);
/* oklch */ color: oklch(55.3% 0.166 144.7);

Tailwind

colors: {
  custom: {
    50: '#6cad68',
    500: '#178a29',
    950: '#000000',
  },
}

SCSS

$custom: #178a29;
$custom-light: #6cad68;
$custom-dark: #000000;

JSON

{
  "hex": "#178a29",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 41
  },
  "hsl": {
    "h": 129.391,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.55349,
    "c": 0.16589,
    "h": 144.7
  },
  "luminance": 0.18519
}

Semantic roles & 50–950 ramp

primary

#178A29

secondary

#BE3FAA

accent

#3AD2EE

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #178A29

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

Preview Lab → · Contrast checker → · Palette generator →