#40B221#40B221

#40B221 is a light, highly saturated green. Relative luminance 0.330; OKLCH L 67.3% C 0.203 H 140.2°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#40B221
RGB	rgb(64, 178, 33)
HSL	hsl(107, 69%, 41%)
HSV	hsv(107, 81%, 70%)
CMYK	cmyk(64%, 0%, 81.5%, 30.2%)
CIE-LAB	lab(64.19, -56.89, 58.72)
CIE-LCH	lch(64.19, 81.76, 134.10°)
OKLab	oklab(67.26% -0.1561 0.13)
OKLCH	oklch(67.26% 0.203 140.2)
XYZ	xyz(18.3084, 33.0388, 6.8508)
Luminance	0.3304 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B221 #9321B2

analogous

#89B221 #40B221 #21B24A

triadic

#40B221 #2140B2 #B22140

tetradic

#40B221 #2189B2 #9321B2 #B24A21

square

#40B221 #2189B2 #9321B2 #B24A21

split-complementary

#40B221 #4A21B2 #B22189

monochromatic

#1B4B0E #2D7E17 #40B221 #59DA36 #84E36A

Accessibility & contrast

On white

2.76

#40B221 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#40B221 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B221

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B221	#FFFFFF	#000000	##000000
##40B221	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A100

Deuteranopia (green-blind)

#A99833

Tritanopia (blue-blind)

#2EAC98

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b221;
/* rgb */ color: rgb(64, 178, 33);
/* oklch */ color: oklch(67.3% 0.203 140.2);

Tailwind

colors: {
  custom: {
    50: '#84ca6a',
    500: '#40b221',
    950: '#000000',
  },
}

SCSS

$custom: #40b221;
$custom-light: #84ca6a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b221",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 33
  },
  "hsl": {
    "h": 107.172,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67263,
    "c": 0.20316,
    "h": 140.2
  },
  "luminance": 0.33041
}

Semantic roles & 50–950 ramp

primary

#40B221

secondary

#B466C9

accent

#3CECC6

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #40B221

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

Preview Lab → · Contrast checker → · Palette generator →