#128F1B#128F1B

#128F1B is a mid, vivid green. Relative luminance 0.199; OKLCH L 56.6% C 0.181 H 143.3°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#128F1B
RGB	rgb(18, 143, 27)
HSL	hsl(124, 78%, 32%)
HSV	hsv(124, 87%, 56%)
CMYK	cmyk(87.4%, 0%, 81.1%, 43.9%)
CIE-LAB	lab(51.67, -53.53, 48.42)
CIE-LCH	lch(51.67, 72.18, 137.87°)
OKLab	oklab(56.59% -0.1449 0.108)
OKLCH	oklch(56.59% 0.181 143.3)
XYZ	xyz(10.2691, 19.8514, 4.3272)
Luminance	0.1985 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128F1B #8F1286

analogous

#488F12 #128F1B #128F5A

triadic

#128F1B #1B128F #8F1B12

tetradic

#128F1B #12488F #8F1286 #8F5A12

square

#128F1B #12488F #8F1286 #8F5A12

split-complementary

#128F1B #5A128F #8F1248

monochromatic

#042206 #0B5911 #128F1B #19C525 #36E642

Accessibility & contrast

On white

4.22

#128F1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#128F1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128F1B

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128F1B	#FFFFFF	#000000	##000000
##128F1B	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#928100

Deuteranopia (green-blind)

#857829

Tritanopia (blue-blind)

#008B7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #128f1b;
/* rgb */ color: rgb(18, 143, 27);
/* oklch */ color: oklch(56.6% 0.181 143.3);

Tailwind

colors: {
  custom: {
    50: '#6cb162',
    500: '#128f1b',
    950: '#000000',
  },
}

SCSS

$custom: #128f1b;
$custom-light: #6cb162;
$custom-dark: #000000;

JSON

{
  "hex": "#128f1b",
  "rgb": {
    "r": 18,
    "g": 143,
    "b": 27
  },
  "hsl": {
    "h": 124.32,
    "s": 77.64,
    "l": 31.569
  },
  "oklch": {
    "l": 0.56591,
    "c": 0.18077,
    "h": 143.3
  },
  "luminance": 0.19853
}

Semantic roles & 50–950 ramp

primary

#128F1B

secondary

#C33AB9

accent

#34E6F4

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081105

muted

#7B807A

Preview Lab

Preview with #128F1B

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

Preview Lab → · Contrast checker → · Palette generator →