#128D2B#128D2B

#128D2B is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.1% C 0.169 H 145.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#128D2B
RGB	rgb(18, 141, 43)
HSL	hsl(132, 77%, 31%)
HSV	hsv(132, 87%, 55%)
CMYK	cmyk(87.2%, 0%, 69.5%, 44.7%)
CIE-LAB	lab(51.10, -51.53, 41.83)
CIE-LCH	lch(51.10, 66.37, 140.93°)
OKLab	oklab(56.15% -0.1388 0.0964)
OKLCH	oklch(56.15% 0.169 145.2)
XYZ	xyz(10.2096, 19.3515, 5.4822)
Luminance	0.1935 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128D2B #8D1274

analogous

#368D12 #128D2B #128D68

triadic

#128D2B #2B128D #8D2B12

tetradic

#128D2B #12368D #8D1274 #8D6812

square

#128D2B #12368D #8D1274 #8D6812

split-complementary

#128D2B #68128D #8D1236

monochromatic

#04200A #0B571A #128D2B #19C33C #34E558

Accessibility & contrast

On white

4.31

#128D2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#128D2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128D2B

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128D2B	#FFFFFF	#000000	##000000
##128D2B	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F1D

Deuteranopia (green-blind)

#837634

Tritanopia (blue-blind)

#008979

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #128d2b;
/* rgb */ color: rgb(18, 141, 43);
/* oklch */ color: oklch(56.1% 0.169 145.2);

Tailwind

colors: {
  custom: {
    50: '#6bb069',
    500: '#128d2b',
    950: '#000000',
  },
}

SCSS

$custom: #128d2b;
$custom-light: #6bb069;
$custom-dark: #000000;

JSON

{
  "hex": "#128d2b",
  "rgb": {
    "r": 18,
    "g": 141,
    "b": 43
  },
  "hsl": {
    "h": 132.195,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.56149,
    "c": 0.16898,
    "h": 145.2
  },
  "luminance": 0.19353
}

Semantic roles & 50–950 ramp

primary

#128D2B

secondary

#C139A6

accent

#34CDF4

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081107

muted

#7B807A

Preview Lab

Preview with #128D2B

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

Preview Lab → · Contrast checker → · Palette generator →