#40A01B#40A01B

#40A01B is a light, vivid green. Relative luminance 0.263; OKLCH L 62.4% C 0.185 H 139.1°. Best body text is #000000 at 6.26:1 contrast (WCAG AA passes).

Color values

HEX	#40A01B
RGB	rgb(64, 160, 27)
HSL	hsl(103, 71%, 37%)
HSV	hsv(103, 83%, 63%)
CMYK	cmyk(60%, 0%, 83.1%, 37.3%)
CIE-LAB	lab(58.33, -50.89, 54.99)
CIE-LCH	lch(58.33, 74.93, 132.78°)
OKLab	oklab(62.4% -0.1403 0.1214)
OKLCH	oklch(62.4% 0.185 139.1)
XYZ	xyz(14.8824, 26.3094, 5.3307)
Luminance	0.2631 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A01B #7B1BA0

analogous

#83A01B #40A01B #1BA038

triadic

#40A01B #1B40A0 #A01B40

tetradic

#40A01B #1B83A0 #7B1BA0 #A0381B

square

#40A01B #1B83A0 #7B1BA0 #A0381B

split-complementary

#40A01B #381BA0 #A01B83

monochromatic

#163709 #2B6C12 #40A01B #55D424 #7BE253

Accessibility & contrast

On white

3.35

#40A01B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.26

#40A01B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A01B

6.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A01B	#FFFFFF	#000000	##000000
##40A01B	1.00	3.35	6.26	6.26
#FFFFFF	3.35	1.00	21.00	21.00
#000000	6.26	21.00	1.00	1.00
##000000	6.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#99892C

Tritanopia (blue-blind)

#359A88

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #40a01b;
/* rgb */ color: rgb(64, 160, 27);
/* oklch */ color: oklch(62.4% 0.185 139.1);

Tailwind

colors: {
  custom: {
    50: '#81bd65',
    500: '#40a01b',
    950: '#000000',
  },
}

SCSS

$custom: #40a01b;
$custom-light: #81bd65;
$custom-dark: #000000;

JSON

{
  "hex": "#40a01b",
  "rgb": {
    "r": 64,
    "g": 160,
    "b": 27
  },
  "hsl": {
    "h": 103.308,
    "s": 71.123,
    "l": 36.667
  },
  "oklch": {
    "l": 0.62402,
    "c": 0.18549,
    "h": 139.1
  },
  "luminance": 0.26311
}

Semantic roles & 50–950 ramp

primary

#40A01B

secondary

#A552C5

accent

#3AEEBC

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #40A01B

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

Preview Lab → · Contrast checker → · Palette generator →