#128A1F#128A1F

#128A1F is a mid, vivid green. Relative luminance 0.184; OKLCH L 55.2% C 0.173 H 143.8°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#128A1F
RGB	rgb(18, 138, 31)
HSL	hsl(127, 77%, 31%)
HSV	hsv(127, 87%, 54%)
CMYK	cmyk(87%, 0%, 77.5%, 45.9%)
CIE-LAB	lab(49.98, -51.68, 45.43)
CIE-LCH	lch(49.98, 68.80, 138.68°)
OKLab	oklab(55.19% -0.1397 0.1024)
OKLCH	oklch(55.19% 0.173 143.8)
XYZ	xyz(9.5846, 18.4033, 4.3431)
Luminance	0.1840 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128A1F #8A127D

analogous

#418A12 #128A1F #128A5B

triadic

#128A1F #1F128A #8A1F12

tetradic

#128A1F #12418A #8A127D #8A5B12

square

#128A1F #12418A #8A127D #8A5B12

split-complementary

#128A1F #5B128A #8A1241

monochromatic

#041E07 #0B5413 #128A1F #19C02B #32E445

Accessibility & contrast

On white

4.49

#128A1F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#128A1F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128A1F

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128A1F	#FFFFFF	#000000	##000000
##128A1F	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8D7C07

Deuteranopia (green-blind)

#81742B

Tritanopia (blue-blind)

#008676

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #128a1f;
/* rgb */ color: rgb(18, 138, 31);
/* oklch */ color: oklch(55.2% 0.173 143.8);

Tailwind

colors: {
  custom: {
    50: '#6bad63',
    500: '#128a1f',
    950: '#000000',
  },
}

SCSS

$custom: #128a1f;
$custom-light: #6bad63;
$custom-dark: #000000;

JSON

{
  "hex": "#128a1f",
  "rgb": {
    "r": 18,
    "g": 138,
    "b": 31
  },
  "hsl": {
    "h": 126.5,
    "s": 76.923,
    "l": 30.588
  },
  "oklch": {
    "l": 0.55193,
    "c": 0.17321,
    "h": 143.8
  },
  "luminance": 0.18404
}

Semantic roles & 50–950 ramp

primary

#128A1F

secondary

#BF39B0

accent

#34DFF3

background

#F7FAF6

surface

#EDF4EB

border

#C8CEC6

text

#081006

muted

#7B7F7A

Preview Lab

Preview with #128A1F

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

Preview Lab → · Contrast checker → · Palette generator →