#188639#188639

#188639 is a mid, vivid green. Relative luminance 0.175; OKLCH L 54.4% C 0.148 H 148.0°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#188639
RGB	rgb(24, 134, 57)
HSL	hsl(138, 70%, 31%)
HSV	hsv(138, 82%, 53%)
CMYK	cmyk(82.1%, 0%, 57.5%, 47.5%)
CIE-LAB	lab(48.93, -46.71, 32.81)
CIE-LCH	lch(48.93, 57.08, 144.92°)
OKLab	oklab(54.42% -0.1255 0.0783)
OKLCH	oklch(54.42% 0.148 148)
XYZ	xyz(9.6395, 17.5386, 6.7474)
Luminance	0.1754 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#188639 #861865

analogous

#2E8618 #188639 #188670

triadic

#188639 #391886 #863918

tetradic

#188639 #182E86 #861865 #867018

square

#188639 #182E86 #861865 #867018

split-complementary

#188639 #701886 #86182E

monochromatic

#051E0D #0F5223 #188639 #21BA4F #3CDC6C

Accessibility & contrast

On white

4.66

#188639 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#188639 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #188639

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##188639	#FFFFFF	#000000	##FFFFFF
##188639	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#877932

Deuteranopia (green-blind)

#7B713F

Tritanopia (blue-blind)

#008375

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #188639;
/* rgb */ color: rgb(24, 134, 57);
/* oklch */ color: oklch(54.4% 0.148 148.0);

Tailwind

colors: {
  custom: {
    50: '#6aaa71',
    500: '#188639',
    950: '#000000',
  },
}

SCSS

$custom: #188639;
$custom-light: #6aaa71;
$custom-dark: #000000;

JSON

{
  "hex": "#188639",
  "rgb": {
    "r": 24,
    "g": 134,
    "b": 57
  },
  "hsl": {
    "h": 138,
    "s": 69.62,
    "l": 30.98
  },
  "oklch": {
    "l": 0.54421,
    "c": 0.14791,
    "h": 148
  },
  "luminance": 0.1754
}

Semantic roles & 50–950 ramp

primary

#188639

secondary

#BA4095

accent

#3BB7EC

background

#F6FAF6

surface

#ECF4EC

border

#C7CEC7

text

#081008

muted

#7A7F7B

Preview Lab

Preview with #188639

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

Preview Lab → · Contrast checker → · Palette generator →