#188A31#188A31

#188A31 is a mid, vivid green. Relative luminance 0.186; OKLCH L 55.5% C 0.160 H 146.0°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#188A31
RGB	rgb(24, 138, 49)
HSL	hsl(133, 70%, 32%)
HSV	hsv(133, 83%, 54%)
CMYK	cmyk(82.6%, 0%, 64.5%, 45.9%)
CIE-LAB	lab(50.21, -49.18, 38.19)
CIE-LCH	lch(50.21, 62.26, 142.17°)
OKLab	oklab(55.45% -0.1324 0.0893)
OKLCH	oklch(55.45% 0.16 146)
XYZ	xyz(10.0188, 18.5917, 5.9657)
Luminance	0.1859 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188A31 #8A1871

analogous

#388A18 #188A31 #188A6A

triadic

#188A31 #31188A #8A3118

tetradic

#188A31 #18388A #8A1871 #8A6A18

square

#188A31 #18388A #8A1871 #8A6A18

split-complementary

#188A31 #6A188A #8A1838

monochromatic

#06220C #0F561E #188A31 #21BE44 #3FDE62

Accessibility & contrast

On white

4.45

#188A31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#188A31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188A31

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188A31	#FFFFFF	#000000	##000000
##188A31	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7D27

Deuteranopia (green-blind)

#807439

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #188a31;
/* rgb */ color: rgb(24, 138, 49);
/* oklch */ color: oklch(55.5% 0.160 146.0);

Tailwind

colors: {
  custom: {
    50: '#6bad6d',
    500: '#188a31',
    950: '#000000',
  },
}

SCSS

$custom: #188a31;
$custom-light: #6bad6d;
$custom-dark: #000000;

JSON

{
  "hex": "#188a31",
  "rgb": {
    "r": 24,
    "g": 138,
    "b": 49
  },
  "hsl": {
    "h": 133.158,
    "s": 70.37,
    "l": 31.765
  },
  "oklch": {
    "l": 0.5545,
    "c": 0.15969,
    "h": 146
  },
  "luminance": 0.18593
}

Semantic roles & 50–950 ramp

primary

#188A31

secondary

#BD40A2

accent

#3BC6ED

background

#F7FAF6

surface

#EDF4EC

border

#C8CEC7

text

#081007

muted

#7B7F7A

Preview Lab

Preview with #188A31

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

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