#187831#187831

#187831 is a mid, vivid green. Relative luminance 0.138; OKLCH L 50.3% C 0.137 H 147.3°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#187831
RGB	rgb(24, 120, 49)
HSL	hsl(136, 67%, 28%)
HSV	hsv(136, 80%, 47%)
CMYK	cmyk(80%, 0%, 59.2%, 52.9%)
CIE-LAB	lab(44.01, -42.83, 31.03)
CIE-LCH	lch(44.01, 52.89, 144.08°)
OKLab	oklab(50.31% -0.1152 0.0738)
OKLCH	oklch(50.31% 0.137 147.3)
XYZ	xyz(7.6469, 13.8480, 5.1750)
Luminance	0.1385 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#187831 #78185F

analogous

#2F7818 #187831 #187861

triadic

#187831 #311878 #783118

tetradic

#187831 #182F78 #78185F #786118

square

#187831 #182F78 #78185F #786118

split-complementary

#187831 #611878 #78182F

monochromatic

#051A0A #0E451C #187831 #22AB46 #34D65E

Accessibility & contrast

On white

5.57

#187831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#187831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #187831

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##187831	#FFFFFF	#000000	##FFFFFF
##187831	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796D2A

Deuteranopia (green-blind)

#6F6537

Tritanopia (blue-blind)

#007568

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #187831;
/* rgb */ color: rgb(24, 120, 49);
/* oklch */ color: oklch(50.3% 0.137 147.3);

Tailwind

colors: {
  custom: {
    50: '#66a06b',
    500: '#187831',
    950: '#000000',
  },
}

SCSS

$custom: #187831;
$custom-light: #66a06b;
$custom-dark: #000000;

JSON

{
  "hex": "#187831",
  "rgb": {
    "r": 24,
    "g": 120,
    "b": 49
  },
  "hsl": {
    "h": 135.625,
    "s": 66.667,
    "l": 28.235
  },
  "oklch": {
    "l": 0.50311,
    "c": 0.13683,
    "h": 147.3
  },
  "luminance": 0.13849
}

Semantic roles & 50–950 ramp

primary

#187831

secondary

#AD3F90

accent

#3EBDEA

background

#F6F9F6

surface

#EBF2EB

border

#C6CCC6

text

#070F07

muted

#7A7E7A

Preview Lab

Preview with #187831

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

Preview Lab → · Contrast checker → · Palette generator →