#178431#178431

#178431 is a mid, vivid green. Relative luminance 0.169; OKLCH L 53.7% C 0.152 H 146.5°. Best body text is #FFFFFF at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#178431
RGB	rgb(23, 132, 49)
HSL	hsl(134, 70%, 30%)
HSV	hsv(134, 83%, 52%)
CMYK	cmyk(82.6%, 0%, 62.9%, 48.2%)
CIE-LAB	lab(48.14, -47.24, 35.83)
CIE-LCH	lch(48.14, 59.29, 142.82°)
OKLab	oklab(53.73% -0.1271 0.0843)
OKLCH	oklch(53.73% 0.153 146.5)
XYZ	xyz(9.1583, 16.9053, 5.6855)
Luminance	0.1691 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178431 #84176A

analogous

#338417 #178431 #178467

triadic

#178431 #311784 #843117

tetradic

#178431 #173384 #84176A #846717

square

#178431 #173384 #84176A #846717

split-complementary

#178431 #671784 #841733

monochromatic

#051C0A #0E501E #178431 #20B844 #39DC60

Accessibility & contrast

On white

4.79

#178431 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.38

#178431 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178431

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178431	#FFFFFF	#000000	##FFFFFF
##178431	1.00	4.79	4.38	4.79
#FFFFFF	4.79	1.00	21.00	1.00
#000000	4.38	21.00	1.00	21.00
##FFFFFF	4.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867728

Deuteranopia (green-blind)

#7A6F38

Tritanopia (blue-blind)

#008172

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #178431;
/* rgb */ color: rgb(23, 132, 49);
/* oklch */ color: oklch(53.7% 0.152 146.5);

Tailwind

colors: {
  custom: {
    50: '#69a96c',
    500: '#178431',
    950: '#000000',
  },
}

SCSS

$custom: #178431;
$custom-light: #69a96c;
$custom-dark: #000000;

JSON

{
  "hex": "#178431",
  "rgb": {
    "r": 23,
    "g": 132,
    "b": 49
  },
  "hsl": {
    "h": 134.312,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.5373,
    "c": 0.1525,
    "h": 146.5
  },
  "luminance": 0.16906
}

Semantic roles & 50–950 ramp

primary

#178431

secondary

#B83F9B

accent

#3BC3ED

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#071007

muted

#7A7F7A

Preview Lab

Preview with #178431

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

Preview Lab → · Contrast checker → · Palette generator →