#128A28#128A28

#128A28 is a mid, vivid green. Relative luminance 0.185; OKLCH L 55.3% C 0.168 H 144.9°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#128A28
RGB	rgb(18, 138, 40)
HSL	hsl(131, 77%, 31%)
HSV	hsv(131, 87%, 54%)
CMYK	cmyk(87%, 0%, 71%, 45.9%)
CIE-LAB	lab(50.05, -50.86, 41.98)
CIE-LCH	lch(50.05, 65.95, 140.46°)
OKLab	oklab(55.27% -0.1371 0.0963)
OKLCH	oklch(55.27% 0.168 144.9)
XYZ	xyz(9.7202, 18.4575, 5.0574)
Luminance	0.1846 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128A28 #8A1274

analogous

#388A12 #128A28 #128A64

triadic

#128A28 #28128A #8A2812

tetradic

#128A28 #12388A #8A1274 #8A6412

square

#128A28 #12388A #8A1274 #8A6412

split-complementary

#128A28 #64128A #8A1238

monochromatic

#041E09 #0B5418 #128A28 #19C038 #32E453

Accessibility & contrast

On white

4.48

#128A28 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#128A28 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128A28

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128A28	#FFFFFF	#000000	##000000
##128A28	1.00	4.48	4.69	4.69
#FFFFFF	4.48	1.00	21.00	21.00
#000000	4.69	21.00	1.00	1.00
##000000	4.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8C7C1A

Deuteranopia (green-blind)

#807432

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #128a28;
/* rgb */ color: rgb(18, 138, 40);
/* oklch */ color: oklch(55.3% 0.168 144.9);

Tailwind

colors: {
  custom: {
    50: '#6aad67',
    500: '#128a28',
    950: '#000000',
  },
}

SCSS

$custom: #128a28;
$custom-light: #6aad67;
$custom-dark: #000000;

JSON

{
  "hex": "#128a28",
  "rgb": {
    "r": 18,
    "g": 138,
    "b": 40
  },
  "hsl": {
    "h": 131,
    "s": 76.923,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55268,
    "c": 0.16757,
    "h": 144.9
  },
  "luminance": 0.18459
}

Semantic roles & 50–950 ramp

primary

#128A28

secondary

#BF39A6

accent

#34D0F3

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #128A28

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

Preview Lab → · Contrast checker → · Palette generator →