#187D40#187D40

#187D40 is a mid, vivid green. Relative luminance 0.152; OKLCH L 52.0% C 0.129 H 151.3°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#187D40
RGB	rgb(24, 125, 64)
HSL	hsl(144, 68%, 29%)
HSV	hsv(144, 81%, 49%)
CMYK	cmyk(80.8%, 0%, 48.8%, 51%)
CIE-LAB	lab(45.95, -42.25, 25.43)
CIE-LCH	lch(45.95, 49.31, 148.95°)
OKLab	oklab(51.98% -0.1135 0.0622)
OKLCH	oklch(51.98% 0.129 151.3)
XYZ	xyz(8.6350, 15.2305, 7.3342)
Luminance	0.1523 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187D40 #7D1855

analogous

#237D18 #187D40 #187D73

triadic

#187D40 #40187D #7D4018

tetradic

#187D40 #18237D #7D1855 #7D7318

square

#187D40 #18237D #7D1855 #7D7318

split-complementary

#187D40 #73187D #7D1823

monochromatic

#051A0D #0E4A26 #187D40 #22B05A #37D977

Accessibility & contrast

On white

5.19

#187D40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#187D40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187D40

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187D40	#FFFFFF	#000000	##FFFFFF
##187D40	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D723B

Deuteranopia (green-blind)

#726A44

Tritanopia (blue-blind)

#007B6E

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #187d40;
/* rgb */ color: rgb(24, 125, 64);
/* oklch */ color: oklch(52.0% 0.129 151.3);

Tailwind

colors: {
  custom: {
    50: '#67a476',
    500: '#187d40',
    950: '#000000',
  },
}

SCSS

$custom: #187d40;
$custom-light: #67a476;
$custom-dark: #000000;

JSON

{
  "hex": "#187d40",
  "rgb": {
    "r": 24,
    "g": 125,
    "b": 64
  },
  "hsl": {
    "h": 143.762,
    "s": 67.785,
    "l": 29.216
  },
  "oklch": {
    "l": 0.5198,
    "c": 0.12943,
    "h": 151.3
  },
  "luminance": 0.15232
}

Semantic roles & 50–950 ramp

primary

#187D40

secondary

#B23F84

accent

#3DA6EB

background

#F6FAF7

surface

#EBF4ED

border

#C6CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #187D40

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

Preview Lab → · Contrast checker → · Palette generator →