#188B51#188B51

#188B51 is a mid, vivid green. Relative luminance 0.193; OKLCH L 56.2% C 0.132 H 154.8°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#188B51
RGB	rgb(24, 139, 81)
HSL	hsl(150, 71%, 32%)
HSV	hsv(150, 83%, 55%)
CMYK	cmyk(82.7%, 0%, 41.7%, 45.5%)
CIE-LAB	lab(50.98, -44.36, 22.58)
CIE-LCH	lch(50.98, 49.78, 153.03°)
OKLab	oklab(56.23% -0.1194 0.0562)
OKLCH	oklch(56.23% 0.132 154.8)
XYZ	xyz(11.0934, 19.2521, 10.9144)
Luminance	0.1925 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188B51 #8B1852

analogous

#198B18 #188B51 #188B8B

triadic

#188B51 #51188B #8B5118

tetradic

#188B51 #18198B #8B1852 #8B8B18

square

#188B51 #18198B #8B1852 #8B8B18

split-complementary

#188B51 #8B188B #8B1819

monochromatic

#062314 #0F5733 #188B51 #21BF6F #3FDE8E

Accessibility & contrast

On white

4.33

#188B51 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#188B51 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #188B51

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188B51	#FFFFFF	#000000	##000000
##188B51	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8B7F4D

Deuteranopia (green-blind)

#7D7655

Tritanopia (blue-blind)

#00897D

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #188b51;
/* rgb */ color: rgb(24, 139, 81);
/* oklch */ color: oklch(56.2% 0.132 154.8);

Tailwind

colors: {
  custom: {
    50: '#6bae82',
    500: '#188b51',
    950: '#000000',
  },
}

SCSS

$custom: #188b51;
$custom-light: #6bae82;
$custom-dark: #000000;

JSON

{
  "hex": "#188b51",
  "rgb": {
    "r": 24,
    "g": 139,
    "b": 81
  },
  "hsl": {
    "h": 149.739,
    "s": 70.552,
    "l": 31.961
  },
  "oklch": {
    "l": 0.56234,
    "c": 0.13195,
    "h": 154.8
  },
  "luminance": 0.19254
}

Semantic roles & 50–950 ramp

primary

#188B51

secondary

#BE4080

accent

#3A95ED

background

#F6FAF8

surface

#ECF4EF

border

#C7CECA

text

#08100A

muted

#7A7F7C

Preview Lab

Preview with #188B51

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

Preview Lab → · Contrast checker → · Palette generator →