#187B40#187B40

#187B40 is a mid, vivid green. Relative luminance 0.147; OKLCH L 51.4% C 0.127 H 151.6°. Best body text is #FFFFFF at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#187B40
RGB	rgb(24, 123, 64)
HSL	hsl(144, 67%, 29%)
HSV	hsv(144, 80%, 48%)
CMYK	cmyk(80.5%, 0%, 48%, 51.8%)
CIE-LAB	lab(45.26, -41.48, 24.56)
CIE-LCH	lch(45.26, 48.20, 149.37°)
OKLab	oklab(51.41% -0.1115 0.0602)
OKLCH	oklch(51.41% 0.127 151.6)
XYZ	xyz(8.3843, 14.7293, 7.2506)
Luminance	0.1473 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187B40 #7B1853

analogous

#227B18 #187B40 #187B72

triadic

#187B40 #40187B #7B4018

tetradic

#187B40 #18227B #7B1853 #7B7218

square

#187B40 #18227B #7B1853 #7B7218

split-complementary

#187B40 #72187B #7B1822

monochromatic

#051A0D #0E4825 #187B40 #22AE5B #36D877

Accessibility & contrast

On white

5.32

#187B40 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.95

#187B40 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187B40

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187B40	#FFFFFF	#000000	##FFFFFF
##187B40	1.00	5.32	3.95	5.32
#FFFFFF	5.32	1.00	21.00	1.00
#000000	3.95	21.00	1.00	21.00
##FFFFFF	5.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B703B

Deuteranopia (green-blind)

#706844

Tritanopia (blue-blind)

#00796D

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #187b40;
/* rgb */ color: rgb(24, 123, 64);
/* oklch */ color: oklch(51.4% 0.127 151.6);

Tailwind

colors: {
  custom: {
    50: '#67a276',
    500: '#187b40',
    950: '#000000',
  },
}

SCSS

$custom: #187b40;
$custom-light: #67a276;
$custom-dark: #000000;

JSON

{
  "hex": "#187b40",
  "rgb": {
    "r": 24,
    "g": 123,
    "b": 64
  },
  "hsl": {
    "h": 144.242,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.51412,
    "c": 0.12669,
    "h": 151.6
  },
  "luminance": 0.1473
}

Semantic roles & 50–950 ramp

primary

#187B40

secondary

#B03F82

accent

#3EA4EA

background

#F6FAF7

surface

#EBF4ED

border

#C6CEC8

text

#070F08

muted

#7A7F7B

Preview Lab

Preview with #187B40

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

Preview Lab → · Contrast checker → · Palette generator →