#40A51C#40A51C

#40A51C is a light, vivid green. Relative luminance 0.281; OKLCH L 63.8% C 0.191 H 139.4°. Best body text is #000000 at 6.62:1 contrast (WCAG AA passes).

Color values

HEX	#40A51C
RGB	rgb(64, 165, 28)
HSL	hsl(104, 71%, 38%)
HSV	hsv(104, 83%, 65%)
CMYK	cmyk(61.2%, 0%, 83%, 35.3%)
CIE-LAB	lab(59.96, -52.63, 56.21)
CIE-LCH	lch(59.96, 77.00, 133.12°)
OKLab	oklab(63.76% -0.1449 0.1241)
OKLCH	oklch(63.76% 0.191 139.4)
XYZ	xyz(15.7784, 28.0826, 5.6874)
Luminance	0.2808 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A51C #811CA5

analogous

#84A51C #40A51C #1CA53D

triadic

#40A51C #1C40A5 #A51C40

tetradic

#40A51C #1C84A5 #811CA5 #A53D1C

square

#40A51C #1C84A5 #811CA5 #A53D1C

split-complementary

#40A51C #3D1CA5 #A51C84

monochromatic

#173C0A #2C7113 #40A51C #54D925 #7DE359

Accessibility & contrast

On white

3.17

#40A51C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.62

#40A51C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A51C

6.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A51C	#FFFFFF	#000000	##000000
##40A51C	1.00	3.17	6.62	6.62
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.62	21.00	1.00	1.00
##000000	6.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA9600

Deuteranopia (green-blind)

#9E8D2E

Tritanopia (blue-blind)

#339F8C

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #40a51c;
/* rgb */ color: rgb(64, 165, 28);
/* oklch */ color: oklch(63.8% 0.191 139.4);

Tailwind

colors: {
  custom: {
    50: '#82c166',
    500: '#40a51c',
    950: '#000000',
  },
}

SCSS

$custom: #40a51c;
$custom-light: #82c166;
$custom-dark: #000000;

JSON

{
  "hex": "#40a51c",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 28
  },
  "hsl": {
    "h": 104.234,
    "s": 70.984,
    "l": 37.843
  },
  "oklch": {
    "l": 0.63755,
    "c": 0.19076,
    "h": 139.4
  },
  "luminance": 0.28084
}

Semantic roles & 50–950 ramp

primary

#40A51C

secondary

#A956C6

accent

#3AEEBF

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1206

muted

#7D817A

Preview Lab

Preview with #40A51C

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

Preview Lab → · Contrast checker → · Palette generator →