#40A428#40A428

#40A428 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.6% C 0.184 H 140.3°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#40A428
RGB	rgb(64, 164, 40)
HSL	hsl(108, 61%, 40%)
HSV	hsv(108, 76%, 64%)
CMYK	cmyk(61%, 0%, 75.6%, 35.7%)
CIE-LAB	lab(59.70, -51.54, 52.19)
CIE-LCH	lch(59.70, 73.35, 134.64°)
OKLab	oklab(63.56% -0.1413 0.1174)
OKLCH	oklch(63.56% 0.184 140.3)
XYZ	xyz(15.7721, 27.7927, 6.5404)
Luminance	0.2779 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A428 #8C28A4

analogous

#7EA428 #40A428 #28A44E

triadic

#40A428 #2840A4 #A42840

tetradic

#40A428 #287EA4 #8C28A4 #A44E28

square

#40A428 #287EA4 #8C28A4 #A44E28

split-complementary

#40A428 #4E28A4 #A4287E

monochromatic

#1A4210 #2D731C #40A428 #57CF3A #81DB6B

Accessibility & contrast

On white

3.20

#40A428 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#40A428 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A428

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A428	#FFFFFF	#000000	##000000
##40A428	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9950E

Deuteranopia (green-blind)

#9C8D35

Tritanopia (blue-blind)

#329F8C

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #40a428;
/* rgb */ color: rgb(64, 164, 40);
/* oklch */ color: oklch(63.6% 0.184 140.3);

Tailwind

colors: {
  custom: {
    50: '#81c06b',
    500: '#40a428',
    950: '#000000',
  },
}

SCSS

$custom: #40a428;
$custom-light: #81c06b;
$custom-dark: #000000;

JSON

{
  "hex": "#40a428",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 40
  },
  "hsl": {
    "h": 108.387,
    "s": 60.784,
    "l": 40
  },
  "oklch": {
    "l": 0.63558,
    "c": 0.18372,
    "h": 140.3
  },
  "luminance": 0.27794
}

Semantic roles & 50–950 ramp

primary

#40A428

secondary

#B066C1

accent

#44E4C5

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #40A428

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

Preview Lab → · Contrast checker → · Palette generator →