#188B23#188B23

#188B23 is a mid, vivid green. Relative luminance 0.188; OKLCH L 55.6% C 0.171 H 143.8°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#188B23
RGB	rgb(24, 139, 35)
HSL	hsl(126, 71%, 32%)
HSV	hsv(126, 83%, 55%)
CMYK	cmyk(82.7%, 0%, 74.8%, 45.5%)
CIE-LAB	lab(50.43, -50.98, 44.41)
CIE-LCH	lch(50.43, 67.61, 138.94°)
OKLab	oklab(55.6% -0.1379 0.1008)
OKLCH	oklch(55.6% 0.171 143.8)
XYZ	xyz(9.9120, 18.7796, 4.6922)
Luminance	0.1878 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188B23 #8B1880

analogous

#478B18 #188B23 #188B5D

triadic

#188B23 #23188B #8B2318

tetradic

#188B23 #18478B #8B1880 #8B5D18

square

#188B23 #18478B #8B1880 #8B5D18

split-complementary

#188B23 #5D188B #8B1847

monochromatic

#062309 #0F5716 #188B23 #21BF30 #3FDE4F

Accessibility & contrast

On white

4.42

#188B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#188B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188B23

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188B23	#FFFFFF	#000000	##000000
##188B23	1.00	4.42	4.76	4.76
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8E7D10

Deuteranopia (green-blind)

#82752E

Tritanopia (blue-blind)

#008777

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #188b23;
/* rgb */ color: rgb(24, 139, 35);
/* oklch */ color: oklch(55.6% 0.171 143.8);

Tailwind

colors: {
  custom: {
    50: '#6cae65',
    500: '#188b23',
    950: '#000000',
  },
}

SCSS

$custom: #188b23;
$custom-light: #6cae65;
$custom-dark: #000000;

JSON

{
  "hex": "#188b23",
  "rgb": {
    "r": 24,
    "g": 139,
    "b": 35
  },
  "hsl": {
    "h": 125.739,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.55596,
    "c": 0.17077,
    "h": 143.8
  },
  "luminance": 0.18781
}

Semantic roles & 50–950 ramp

primary

#188B23

secondary

#BE40B2

accent

#3ADCED

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #188B23

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

Preview Lab → · Contrast checker → · Palette generator →