#178540#178540

#178540 is a mid, vivid green. Relative luminance 0.173; OKLCH L 54.2% C 0.140 H 150.1°. Best body text is #FFFFFF at 4.70:1 contrast (WCAG AA passes).

Color values

HEX	#178540
RGB	rgb(23, 133, 64)
HSL	hsl(142, 71%, 31%)
HSV	hsv(142, 83%, 52%)
CMYK	cmyk(82.7%, 0%, 51.9%, 47.8%)
CIE-LAB	lab(48.67, -45.36, 28.85)
CIE-LCH	lch(48.67, 53.76, 147.55°)
OKLab	oklab(54.23% -0.1218 0.07)
OKLCH	oklch(54.23% 0.14 150.1)
XYZ	xyz(9.6655, 17.3262, 7.6844)
Luminance	0.1733 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178540 #85175C

analogous

#258517 #178540 #178577

triadic

#178540 #401785 #854017

tetradic

#178540 #172585 #85175C #857717

square

#178540 #172585 #85175C #857717

split-complementary

#178540 #771785 #851725

monochromatic

#051D0E #0E5127 #178540 #20B959 #3ADD76

Accessibility & contrast

On white

4.70

#178540 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.47

#178540 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #178540

4.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178540	#FFFFFF	#000000	##FFFFFF
##178540	1.00	4.70	4.47	4.70
#FFFFFF	4.70	1.00	21.00	1.00
#000000	4.47	21.00	1.00	21.00
##FFFFFF	4.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#86793A

Deuteranopia (green-blind)

#7A7045

Tritanopia (blue-blind)

#008375

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #178540;
/* rgb */ color: rgb(23, 133, 64);
/* oklch */ color: oklch(54.2% 0.140 150.1);

Tailwind

colors: {
  custom: {
    50: '#69aa76',
    500: '#178540',
    950: '#000000',
  },
}

SCSS

$custom: #178540;
$custom-light: #69aa76;
$custom-dark: #000000;

JSON

{
  "hex": "#178540",
  "rgb": {
    "r": 23,
    "g": 133,
    "b": 64
  },
  "hsl": {
    "h": 142.364,
    "s": 70.513,
    "l": 30.588
  },
  "oklch": {
    "l": 0.54228,
    "c": 0.14043,
    "h": 150.1
  },
  "luminance": 0.17327
}

Semantic roles & 50–950 ramp

primary

#178540

secondary

#B93F8B

accent

#3BABED

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #178540

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

Preview Lab → · Contrast checker → · Palette generator →