#128A23#128A23

#128A23 is a mid, vivid green. Relative luminance 0.184; OKLCH L 55.2% C 0.171 H 144.2°. Best body text is #000000 at 4.69:1 contrast (WCAG AA passes).

Color values

HEX	#128A23
RGB	rgb(18, 138, 35)
HSL	hsl(129, 77%, 31%)
HSV	hsv(129, 87%, 54%)
CMYK	cmyk(87%, 0%, 74.6%, 45.9%)
CIE-LAB	lab(50.01, -51.34, 43.96)
CIE-LCH	lch(50.01, 67.59, 139.43°)
OKLab	oklab(55.22% -0.1386 0.0998)
OKLCH	oklch(55.22% 0.171 144.2)
XYZ	xyz(9.6406, 18.4257, 4.6382)
Luminance	0.1843 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128A23 #8A1279

analogous

#3D8A12 #128A23 #128A5F

triadic

#128A23 #23128A #8A2312

tetradic

#128A23 #123D8A #8A1279 #8A5F12

square

#128A23 #123D8A #8A1279 #8A5F12

split-complementary

#128A23 #5F128A #8A123D

monochromatic

#041E08 #0B5415 #128A23 #19C031 #32E44B

Accessibility & contrast

On white

4.48

#128A23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.69

#128A23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128A23

4.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128A23	#FFFFFF	#000000	##000000
##128A23	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)

#8D7C11

Deuteranopia (green-blind)

#80742E

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #128a23;
/* rgb */ color: rgb(18, 138, 35);
/* oklch */ color: oklch(55.2% 0.171 144.2);

Tailwind

colors: {
  custom: {
    50: '#6bad65',
    500: '#128a23',
    950: '#000000',
  },
}

SCSS

$custom: #128a23;
$custom-light: #6bad65;
$custom-dark: #000000;

JSON

{
  "hex": "#128a23",
  "rgb": {
    "r": 18,
    "g": 138,
    "b": 35
  },
  "hsl": {
    "h": 128.5,
    "s": 76.923,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55224,
    "c": 0.17083,
    "h": 144.2
  },
  "luminance": 0.18427
}

Semantic roles & 50–950 ramp

primary

#128A23

secondary

#BF39AC

accent

#34D8F3

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #128A23

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

Preview Lab → · Contrast checker → · Palette generator →