#42A128#42A128

#42A128 is a light, vivid green. Relative luminance 0.268; OKLCH L 62.8% C 0.179 H 139.9°. Best body text is #000000 at 6.36:1 contrast (WCAG AA passes).

Color values

HEX	#42A128
RGB	rgb(66, 161, 40)
HSL	hsl(107, 60%, 39%)
HSV	hsv(107, 75%, 63%)
CMYK	cmyk(59%, 0%, 75.2%, 36.9%)
CIE-LAB	lab(58.79, -49.94, 51.31)
CIE-LCH	lch(58.79, 71.60, 134.22°)
OKLab	oklab(62.82% -0.1371 0.1155)
OKLCH	oklch(62.82% 0.179 139.9)
XYZ	xyz(15.3740, 26.7998, 6.3698)
Luminance	0.2680 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42A128 #8728A1

analogous

#7FA128 #42A128 #28A14A

triadic

#42A128 #2842A1 #A12842

tetradic

#42A128 #287FA1 #8728A1 #A14A28

square

#42A128 #287FA1 #8728A1 #A14A28

split-complementary

#42A128 #4A28A1 #A1287F

monochromatic

#1A3F10 #2E701C #42A128 #59CE39 #82DA6A

Accessibility & contrast

On white

3.30

#42A128 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.36

#42A128 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #42A128

6.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42A128	#FFFFFF	#000000	##000000
##42A128	1.00	3.30	6.36	6.36
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.36	21.00	1.00	1.00
##000000	6.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A6920F

Deuteranopia (green-blind)

#9A8A35

Tritanopia (blue-blind)

#369C8A

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #42a128;
/* rgb */ color: rgb(66, 161, 40);
/* oklch */ color: oklch(62.8% 0.179 139.9);

Tailwind

colors: {
  custom: {
    50: '#81be6a',
    500: '#42a128',
    950: '#000000',
  },
}

SCSS

$custom: #42a128;
$custom-light: #81be6a;
$custom-dark: #000000;

JSON

{
  "hex": "#42a128",
  "rgb": {
    "r": 66,
    "g": 161,
    "b": 40
  },
  "hsl": {
    "h": 107.107,
    "s": 60.199,
    "l": 39.412
  },
  "oklch": {
    "l": 0.62821,
    "c": 0.1793,
    "h": 139.9
  },
  "luminance": 0.26801
}

Semantic roles & 50–950 ramp

primary

#42A128

secondary

#AC65C0

accent

#44E3C1

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #42A128

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

Preview Lab → · Contrast checker → · Palette generator →