#40A423#40A423

#40A423 is a light, vivid green. Relative luminance 0.278; OKLCH L 63.5% C 0.186 H 139.9°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#40A423
RGB	rgb(64, 164, 35)
HSL	hsl(107, 65%, 39%)
HSV	hsv(107, 79%, 64%)
CMYK	cmyk(61%, 0%, 78.7%, 35.7%)
CIE-LAB	lab(59.67, -51.88, 53.85)
CIE-LCH	lch(59.67, 74.77, 133.93°)
OKLab	oklab(63.52% -0.1425 0.1201)
OKLCH	oklch(63.52% 0.186 139.9)
XYZ	xyz(15.6925, 27.7608, 6.1212)
Luminance	0.2776 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A423 #8723A4

analogous

#81A423 #40A423 #23A447

triadic

#40A423 #2340A4 #A42340

tetradic

#40A423 #2381A4 #8723A4 #A44723

square

#40A423 #2381A4 #8723A4 #A44723

split-complementary

#40A423 #4723A4 #A42381

monochromatic

#193F0D #2C7218 #40A423 #56D331 #7FDE64

Accessibility & contrast

On white

3.20

#40A423 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#40A423 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A423

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A423	#FFFFFF	#000000	##000000
##40A423	1.00	3.20	6.55	6.55
#FFFFFF	3.20	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)

#9C8D32

Tritanopia (blue-blind)

#339E8C

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #40a423;
/* rgb */ color: rgb(64, 164, 35);
/* oklch */ color: oklch(63.5% 0.186 139.9);

Tailwind

colors: {
  custom: {
    50: '#81c068',
    500: '#40a423',
    950: '#000000',
  },
}

SCSS

$custom: #40a423;
$custom-light: #81c068;
$custom-dark: #000000;

JSON

{
  "hex": "#40a423",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 35
  },
  "hsl": {
    "h": 106.512,
    "s": 64.824,
    "l": 39.02
  },
  "oklch": {
    "l": 0.63524,
    "c": 0.18639,
    "h": 139.9
  },
  "luminance": 0.27762
}

Semantic roles & 50–950 ramp

primary

#40A423

secondary

#AD60C3

accent

#40E8C2

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #40A423

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

Preview Lab → · Contrast checker → · Palette generator →