#128F2B#128F2B

#128F2B is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.7% C 0.171 H 145.1°. Best body text is #000000 at 4.99:1 contrast (WCAG AA passes).

Color values

HEX	#128F2B
RGB	rgb(18, 143, 43)
HSL	hsl(132, 78%, 32%)
HSV	hsv(132, 87%, 56%)
CMYK	cmyk(87.4%, 0%, 69.9%, 43.9%)
CIE-LAB	lab(51.78, -52.17, 42.56)
CIE-LCH	lch(51.78, 67.33, 140.79°)
OKLab	oklab(56.72% -0.1406 0.0979)
OKLCH	oklch(56.72% 0.171 145.1)
XYZ	xyz(10.5072, 19.9466, 5.5813)
Luminance	0.1995 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128F2B #8F1276

analogous

#388F12 #128F2B #128F6A

triadic

#128F2B #2B128F #8F2B12

tetradic

#128F2B #12388F #8F1276 #8F6A12

square

#128F2B #12388F #8F1276 #8F6A12

split-complementary

#128F2B #6A128F #8F1238

monochromatic

#04220A #0B591B #128F2B #19C53B #36E659

Accessibility & contrast

On white

4.21

#128F2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.99

#128F2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128F2B

4.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128F2B	#FFFFFF	#000000	##000000
##128F2B	1.00	4.21	4.99	4.99
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.99	21.00	1.00	1.00
##000000	4.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91811D

Deuteranopia (green-blind)

#857835

Tritanopia (blue-blind)

#008B7B

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #128f2b;
/* rgb */ color: rgb(18, 143, 43);
/* oklch */ color: oklch(56.7% 0.171 145.1);

Tailwind

colors: {
  custom: {
    50: '#6cb16a',
    500: '#128f2b',
    950: '#000000',
  },
}

SCSS

$custom: #128f2b;
$custom-light: #6cb16a;
$custom-dark: #000000;

JSON

{
  "hex": "#128f2b",
  "rgb": {
    "r": 18,
    "g": 143,
    "b": 43
  },
  "hsl": {
    "h": 132,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56716,
    "c": 0.17132,
    "h": 145.1
  },
  "luminance": 0.19948
}

Semantic roles & 50–950 ramp

primary

#128F2B

secondary

#C33AA8

accent

#34CEF4

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081107

muted

#7B807A

Preview Lab

Preview with #128F2B

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

Preview Lab → · Contrast checker → · Palette generator →