#128E2B#128E2B

#128E2B is a mid, vivid green. Relative luminance 0.196; OKLCH L 56.4% C 0.170 H 145.2°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#128E2B
RGB	rgb(18, 142, 43)
HSL	hsl(132, 78%, 31%)
HSV	hsv(132, 87%, 56%)
CMYK	cmyk(87.3%, 0%, 69.7%, 44.3%)
CIE-LAB	lab(51.44, -51.85, 42.20)
CIE-LCH	lch(51.44, 66.85, 140.86°)
OKLab	oklab(56.43% -0.1397 0.0971)
OKLCH	oklch(56.43% 0.17 145.2)
XYZ	xyz(10.3577, 19.6477, 5.5315)
Luminance	0.1965 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128E2B #8E1275

analogous

#378E12 #128E2B #128E69

triadic

#128E2B #2B128E #8E2B12

tetradic

#128E2B #12378E #8E1275 #8E6912

square

#128E2B #12378E #8E1275 #8E6912

split-complementary

#128E2B #69128E #8E1237

monochromatic

#04210A #0B581B #128E2B #19C43B #35E559

Accessibility & contrast

On white

4.26

#128E2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#128E2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128E2B

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128E2B	#FFFFFF	#000000	##000000
##128E2B	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#90801D

Deuteranopia (green-blind)

#847734

Tritanopia (blue-blind)

#008A7A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #128e2b;
/* rgb */ color: rgb(18, 142, 43);
/* oklch */ color: oklch(56.4% 0.170 145.2);

Tailwind

colors: {
  custom: {
    50: '#6bb06a',
    500: '#128e2b',
    950: '#000000',
  },
}

SCSS

$custom: #128e2b;
$custom-light: #6bb06a;
$custom-dark: #000000;

JSON

{
  "hex": "#128e2b",
  "rgb": {
    "r": 18,
    "g": 142,
    "b": 43
  },
  "hsl": {
    "h": 132.097,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56433,
    "c": 0.17015,
    "h": 145.2
  },
  "luminance": 0.19649
}

Semantic roles & 50–950 ramp

primary

#128E2B

secondary

#C23AA7

accent

#34CDF4

background

#F7FBF6

surface

#EDF6EB

border

#C8D0C6

text

#081107

muted

#7B807A

Preview Lab

Preview with #128E2B

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

Preview Lab → · Contrast checker → · Palette generator →