#40A421#40A421

#40A421 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.5% C 0.187 H 139.7°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#40A421
RGB	rgb(64, 164, 33)
HSL	hsl(106, 66%, 39%)
HSV	hsv(106, 80%, 64%)
CMYK	cmyk(61%, 0%, 79.9%, 35.7%)
CIE-LAB	lab(59.66, -52.00, 54.47)
CIE-LCH	lch(59.66, 75.31, 133.67°)
OKLab	oklab(63.51% -0.1429 0.1212)
OKLCH	oklch(63.51% 0.187 139.7)
XYZ	xyz(15.6636, 27.7493, 5.9693)
Luminance	0.2775 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A421 #8521A4

analogous

#81A421 #40A421 #21A444

triadic

#40A421 #2140A4 #A42140

tetradic

#40A421 #2181A4 #8521A4 #A44421

square

#40A421 #2181A4 #8521A4 #A44421

split-complementary

#40A421 #4421A4 #A42181

monochromatic

#183E0C #2C7117 #40A421 #55D52D #7EDF60

Accessibility & contrast

On white

3.21

#40A421 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#40A421 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A421

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A421	#FFFFFF	#000000	##000000
##40A421	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A99500

Deuteranopia (green-blind)

#9D8D30

Tritanopia (blue-blind)

#339E8C

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #40a421;
/* rgb */ color: rgb(64, 164, 33);
/* oklch */ color: oklch(63.5% 0.187 139.7);

Tailwind

colors: {
  custom: {
    50: '#81c068',
    500: '#40a421',
    950: '#000000',
  },
}

SCSS

$custom: #40a421;
$custom-light: #81c068;
$custom-dark: #000000;

JSON

{
  "hex": "#40a421",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 33
  },
  "hsl": {
    "h": 105.802,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.63512,
    "c": 0.18737,
    "h": 139.7
  },
  "luminance": 0.27751
}

Semantic roles & 50–950 ramp

primary

#40A421

secondary

#AC5DC4

accent

#3EE9C1

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #40A421

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

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