#128C18#128C18

#128C18 is a mid, vivid green. Relative luminance 0.190; OKLCH L 55.7% C 0.179 H 143.1°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#128C18
RGB	rgb(18, 140, 24)
HSL	hsl(123, 77%, 31%)
HSV	hsv(123, 87%, 55%)
CMYK	cmyk(87.1%, 0%, 82.9%, 45.1%)
CIE-LAB	lab(50.63, -52.80, 48.36)
CIE-LCH	lch(50.63, 71.60, 137.51°)
OKLab	oklab(55.72% -0.1431 0.1075)
OKLCH	oklch(55.72% 0.179 143.1)
XYZ	xyz(9.7918, 18.9495, 4.0055)
Luminance	0.1895 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128C18 #8C1286

analogous

#498C12 #128C18 #128C55

triadic

#128C18 #18128C #8C1812

tetradic

#128C18 #12498C #8C1286 #8C5512

square

#128C18 #12498C #8C1286 #8C5512

split-complementary

#128C18 #55128C #8C1249

monochromatic

#042005 #0B560F #128C18 #19C221 #34E53C

Accessibility & contrast

On white

4.38

#128C18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#128C18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128C18

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128C18	#FFFFFF	#000000	##000000
##128C18	1.00	4.38	4.79	4.79
#FFFFFF	4.38	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7E00

Deuteranopia (green-blind)

#837527

Tritanopia (blue-blind)

#008877

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #128c18;
/* rgb */ color: rgb(18, 140, 24);
/* oklch */ color: oklch(55.7% 0.179 143.1);

Tailwind

colors: {
  custom: {
    50: '#6caf60',
    500: '#128c18',
    950: '#000000',
  },
}

SCSS

$custom: #128c18;
$custom-light: #6caf60;
$custom-dark: #000000;

JSON

{
  "hex": "#128c18",
  "rgb": {
    "r": 18,
    "g": 140,
    "b": 24
  },
  "hsl": {
    "h": 122.951,
    "s": 77.215,
    "l": 30.98
  },
  "oklch": {
    "l": 0.55719,
    "c": 0.17894,
    "h": 143.1
  },
  "luminance": 0.18951
}

Semantic roles & 50–950 ramp

primary

#128C18

secondary

#C039BA

accent

#34EAF4

background

#F7FAF5

surface

#EDF5EA

border

#C8CFC6

text

#081005

muted

#7B7F79

Preview Lab

Preview with #128C18

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

Preview Lab → · Contrast checker → · Palette generator →