#187B37#187B37

#187B37 is a mid, vivid green. Relative luminance 0.146; OKLCH L 51.3% C 0.135 H 148.7°. Best body text is #FFFFFF at 5.35:1 contrast (WCAG AA passes).

Color values

HEX	#187B37
RGB	rgb(24, 123, 55)
HSL	hsl(139, 67%, 29%)
HSV	hsv(139, 80%, 48%)
CMYK	cmyk(80.5%, 0%, 55.3%, 51.8%)
CIE-LAB	lab(45.13, -43.02, 29.25)
CIE-LCH	lch(45.13, 52.02, 145.79°)
OKLab	oklab(51.26% -0.1156 0.0704)
OKLCH	oklch(51.26% 0.135 148.7)
XYZ	xyz(8.1486, 14.6350, 6.0091)
Luminance	0.1464 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187B37 #7B185C

analogous

#2B7B18 #187B37 #187B69

triadic

#187B37 #37187B #7B3718

tetradic

#187B37 #182B7B #7B185C #7B6918

square

#187B37 #182B7B #7B185C #7B6918

split-complementary

#187B37 #69187B #7B182B

monochromatic

#051A0B #0E4820 #187B37 #22AE4E #36D868

Accessibility & contrast

On white

5.35

#187B37 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.93

#187B37 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187B37

5.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187B37	#FFFFFF	#000000	##FFFFFF
##187B37	1.00	5.35	3.93	5.35
#FFFFFF	5.35	1.00	21.00	1.00
#000000	3.93	21.00	1.00	21.00
##FFFFFF	5.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7031

Deuteranopia (green-blind)

#71683C

Tritanopia (blue-blind)

#00786C

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #187b37;
/* rgb */ color: rgb(24, 123, 55);
/* oklch */ color: oklch(51.3% 0.135 148.7);

Tailwind

colors: {
  custom: {
    50: '#67a26f',
    500: '#187b37',
    950: '#000000',
  },
}

SCSS

$custom: #187b37;
$custom-light: #67a26f;
$custom-dark: #000000;

JSON

{
  "hex": "#187b37",
  "rgb": {
    "r": 24,
    "g": 123,
    "b": 55
  },
  "hsl": {
    "h": 138.788,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.51261,
    "c": 0.13532,
    "h": 148.7
  },
  "luminance": 0.14636
}

Semantic roles & 50–950 ramp

primary

#187B37

secondary

#B03F8C

accent

#3EB4EA

background

#F6FAF6

surface

#EBF4EC

border

#C6CEC7

text

#070F07

muted

#7A7F7A

Preview Lab

Preview with #187B37

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

Preview Lab → · Contrast checker → · Palette generator →