#40A427#40A427

#40A427 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.6% C 0.184 H 140.2°. Best body text is #000000 at 6.56:1 contrast (WCAG AA passes).

Color values

HEX	#40A427
RGB	rgb(64, 164, 39)
HSL	hsl(108, 62%, 40%)
HSV	hsv(108, 76%, 64%)
CMYK	cmyk(61%, 0%, 76.2%, 35.7%)
CIE-LAB	lab(59.69, -51.61, 52.54)
CIE-LCH	lch(59.69, 73.64, 134.49°)
OKLab	oklab(63.55% -0.1416 0.118)
OKLCH	oklch(63.55% 0.184 140.2)
XYZ	xyz(15.7553, 27.7859, 6.4520)
Luminance	0.2779 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A427 #8B27A4

analogous

#7FA427 #40A427 #27A44D

triadic

#40A427 #2740A4 #A42740

tetradic

#40A427 #277FA4 #8B27A4 #A44D27

square

#40A427 #277FA4 #8B27A4 #A44D27

split-complementary

#40A427 #4D27A4 #A4277F

monochromatic

#19410F #2D731B #40A427 #57D038 #81DC6A

Accessibility & contrast

On white

3.20

#40A427 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.56

#40A427 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A427

6.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A427	#FFFFFF	#000000	##000000
##40A427	1.00	3.20	6.56	6.56
#FFFFFF	3.20	1.00	21.00	21.00
#000000	6.56	21.00	1.00	1.00
##000000	6.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A9950B

Deuteranopia (green-blind)

#9C8D35

Tritanopia (blue-blind)

#329F8C

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #40a427;
/* rgb */ color: rgb(64, 164, 39);
/* oklch */ color: oklch(63.6% 0.184 140.2);

Tailwind

colors: {
  custom: {
    50: '#81c06a',
    500: '#40a427',
    950: '#000000',
  },
}

SCSS

$custom: #40a427;
$custom-light: #81c06a;
$custom-dark: #000000;

JSON

{
  "hex": "#40a427",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 39
  },
  "hsl": {
    "h": 108,
    "s": 61.576,
    "l": 39.804
  },
  "oklch": {
    "l": 0.63551,
    "c": 0.18428,
    "h": 140.2
  },
  "luminance": 0.27787
}

Semantic roles & 50–950 ramp

primary

#40A427

secondary

#AF65C2

accent

#43E5C4

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #40A427

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

Preview Lab → · Contrast checker → · Palette generator →