#178440#178440

#178440 is a mid, vivid green. Relative luminance 0.171; OKLCH L 53.9% C 0.139 H 150.3°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#178440
RGB	rgb(23, 132, 64)
HSL	hsl(143, 70%, 30%)
HSV	hsv(143, 83%, 52%)
CMYK	cmyk(82.6%, 0%, 51.5%, 48.2%)
CIE-LAB	lab(48.33, -45.00, 28.42)
CIE-LCH	lch(48.33, 53.22, 147.72°)
OKLab	oklab(53.95% -0.1208 0.069)
OKLCH	oklch(53.95% 0.139 150.3)
XYZ	xyz(9.5292, 17.0537, 7.6390)
Luminance	0.1706 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178440 #84175B

analogous

#248417 #178440 #178476

triadic

#178440 #401784 #844017

tetradic

#178440 #172484 #84175B #847617

square

#178440 #172484 #84175B #847617

split-complementary

#178440 #761784 #841724

monochromatic

#051C0D #0E5027 #178440 #20B859 #39DC76

Accessibility & contrast

On white

4.76

#178440 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#178440 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178440

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178440	#FFFFFF	#000000	##FFFFFF
##178440	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85783A

Deuteranopia (green-blind)

#796F45

Tritanopia (blue-blind)

#008274

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #178440;
/* rgb */ color: rgb(23, 132, 64);
/* oklch */ color: oklch(53.9% 0.139 150.3);

Tailwind

colors: {
  custom: {
    50: '#69a976',
    500: '#178440',
    950: '#000000',
  },
}

SCSS

$custom: #178440;
$custom-light: #69a976;
$custom-dark: #000000;

JSON

{
  "hex": "#178440",
  "rgb": {
    "r": 23,
    "g": 132,
    "b": 64
  },
  "hsl": {
    "h": 142.569,
    "s": 70.323,
    "l": 30.392
  },
  "oklch": {
    "l": 0.53946,
    "c": 0.1391,
    "h": 150.3
  },
  "luminance": 0.17055
}

Semantic roles & 50–950 ramp

primary

#178440

secondary

#B83F8A

accent

#3BAAED

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #178440

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

Preview Lab → · Contrast checker → · Palette generator →