#128D2F#128D2F

#128D2F is a mid, vivid green. Relative luminance 0.194; OKLCH L 56.2% C 0.166 H 145.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#128D2F
RGB	rgb(18, 141, 47)
HSL	hsl(134, 77%, 31%)
HSV	hsv(134, 87%, 55%)
CMYK	cmyk(87.2%, 0%, 66.7%, 44.7%)
CIE-LAB	lab(51.13, -51.08, 40.11)
CIE-LCH	lch(51.13, 64.95, 141.86°)
OKLab	oklab(56.19% -0.1374 0.0932)
OKLCH	oklch(56.19% 0.166 145.9)
XYZ	xyz(10.2866, 19.3823, 5.8878)
Luminance	0.1938 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#128D2F #8D1270

analogous

#338D12 #128D2F #128D6C

triadic

#128D2F #2F128D #8D2F12

tetradic

#128D2F #12338D #8D1270 #8D6C12

square

#128D2F #12338D #8D1270 #8D6C12

split-complementary

#128D2F #6C128D #8D1233

monochromatic

#04200B #0B571D #128D2F #19C341 #34E55E

Accessibility & contrast

On white

4.31

#128D2F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#128D2F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #128D2F

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##128D2F	#FFFFFF	#000000	##000000
##128D2F	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8F7F23

Deuteranopia (green-blind)

#827638

Tritanopia (blue-blind)

#008979

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #128d2f;
/* rgb */ color: rgb(18, 141, 47);
/* oklch */ color: oklch(56.2% 0.166 145.9);

Tailwind

colors: {
  custom: {
    50: '#6bb06c',
    500: '#128d2f',
    950: '#000000',
  },
}

SCSS

$custom: #128d2f;
$custom-light: #6bb06c;
$custom-dark: #000000;

JSON

{
  "hex": "#128d2f",
  "rgb": {
    "r": 18,
    "g": 141,
    "b": 47
  },
  "hsl": {
    "h": 134.146,
    "s": 77.358,
    "l": 31.176
  },
  "oklch": {
    "l": 0.5619,
    "c": 0.16606,
    "h": 145.9
  },
  "luminance": 0.19384
}

Semantic roles & 50–950 ramp

primary

#128D2F

secondary

#C139A1

accent

#34C7F4

background

#F7FAF6

surface

#EDF5EB

border

#C8CFC6

text

#081107

muted

#7B807A

Preview Lab

Preview with #128D2F

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

Preview Lab → · Contrast checker → · Palette generator →