#188F40#188F40

#188F40 is a mid, vivid green. Relative luminance 0.202; OKLCH L 57.1% C 0.153 H 148.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#188F40
RGB	rgb(24, 143, 64)
HSL	hsl(140, 71%, 33%)
HSV	hsv(140, 83%, 56%)
CMYK	cmyk(83.2%, 0%, 55.2%, 43.9%)
CIE-LAB	lab(52.07, -48.84, 33.03)
CIE-LCH	lch(52.07, 58.96, 145.93°)
OKLab	oklab(57.05% -0.1311 0.0793)
OKLCH	oklch(57.05% 0.153 148.8)
XYZ	xyz(11.1236, 20.2079, 8.1638)
Luminance	0.2021 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188F40 #8F1867

analogous

#2C8F18 #188F40 #188F7B

triadic

#188F40 #40188F #8F4018

tetradic

#188F40 #182C8F #8F1867 #8F7B18

square

#188F40 #182C8F #8F1867 #8F7B18

split-complementary

#188F40 #7B188F #8F182C

monochromatic

#062611 #0F5B29 #188F40 #21C357 #42DF77

Accessibility & contrast

On white

4.17

#188F40 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#188F40 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188F40

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188F40	#FFFFFF	#000000	##000000
##188F40	1.00	4.17	5.04	5.04
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#908239

Deuteranopia (green-blind)

#837946

Tritanopia (blue-blind)

#008C7D

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #188f40;
/* rgb */ color: rgb(24, 143, 64);
/* oklch */ color: oklch(57.1% 0.153 148.8);

Tailwind

colors: {
  custom: {
    50: '#6cb177',
    500: '#188f40',
    950: '#000000',
  },
}

SCSS

$custom: #188f40;
$custom-light: #6cb177;
$custom-dark: #000000;

JSON

{
  "hex": "#188f40",
  "rgb": {
    "r": 24,
    "g": 143,
    "b": 64
  },
  "hsl": {
    "h": 140.168,
    "s": 71.257,
    "l": 32.745
  },
  "oklch": {
    "l": 0.57053,
    "c": 0.15322,
    "h": 148.8
  },
  "luminance": 0.20209
}

Semantic roles & 50–950 ramp

primary

#188F40

secondary

#C04396

accent

#3AB1EE

background

#F7FBF7

surface

#EDF6ED

border

#C8D0C8

text

#081109

muted

#7B807B

Preview Lab

Preview with #188F40

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

Preview Lab → · Contrast checker → · Palette generator →