#40A81B#40A81B

#40A81B is a light, vivid green. Relative luminance 0.292; OKLCH L 64.6% C 0.195 H 139.5°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#40A81B
RGB	rgb(64, 168, 27)
HSL	hsl(104, 72%, 38%)
HSV	hsv(104, 84%, 66%)
CMYK	cmyk(61.9%, 0%, 83.9%, 34.1%)
CIE-LAB	lab(60.93, -53.74, 57.36)
CIE-LCH	lch(60.93, 78.60, 133.13°)
OKLab	oklab(64.56% -0.1479 0.1264)
OKLCH	oklch(64.56% 0.195 139.5)
XYZ	xyz(16.3141, 29.1729, 5.8079)
Luminance	0.2917 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A81B #831BA8

analogous

#86A81B #40A81B #1BA83C

triadic

#40A81B #1B40A8 #A81B40

tetradic

#40A81B #1B86A8 #831BA8 #A83C1B

square

#40A81B #1B86A8 #831BA8 #A83C1B

split-complementary

#40A81B #3C1BA8 #A81B86

monochromatic

#183F0A #2C7313 #40A81B #54DC24 #7EE459

Accessibility & contrast

On white

3.07

#40A81B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#40A81B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A81B

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A81B	#FFFFFF	#000000	##000000
##40A81B	1.00	3.07	6.83	6.83
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AD9800

Deuteranopia (green-blind)

#A0902E

Tritanopia (blue-blind)

#32A28F

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #40a81b;
/* rgb */ color: rgb(64, 168, 27);
/* oklch */ color: oklch(64.6% 0.195 139.5);

Tailwind

colors: {
  custom: {
    50: '#82c366',
    500: '#40a81b',
    950: '#000000',
  },
}

SCSS

$custom: #40a81b;
$custom-light: #82c366;
$custom-dark: #000000;

JSON

{
  "hex": "#40a81b",
  "rgb": {
    "r": 64,
    "g": 168,
    "b": 27
  },
  "hsl": {
    "h": 104.255,
    "s": 72.308,
    "l": 38.235
  },
  "oklch": {
    "l": 0.64556,
    "c": 0.19453,
    "h": 139.5
  },
  "luminance": 0.29174
}

Semantic roles & 50–950 ramp

primary

#40A81B

secondary

#AA57C8

accent

#39EFBF

background

#F8FCF6

surface

#F0F8EB

border

#CBD1C6

text

#0C1306

muted

#7D827A

Preview Lab

Preview with #40A81B

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

Preview Lab → · Contrast checker → · Palette generator →