#40B645#40B645

#40B645 is a light, vivid green. Relative luminance 0.350; OKLCH L 68.6% C 0.186 H 143.8°. Best body text is #000000 at 8.00:1 contrast (WCAG AA passes).

Color values

HEX	#40B645
RGB	rgb(64, 182, 69)
HSL	hsl(123, 48%, 48%)
HSV	hsv(123, 65%, 71%)
CMYK	cmyk(64.8%, 0%, 62.1%, 28.6%)
CIE-LAB	lab(65.73, -55.30, 46.84)
CIE-LCH	lch(65.73, 72.47, 139.74°)
OKLab	oklab(68.62% -0.1499 0.1096)
OKLCH	oklch(68.62% 0.186 143.8)
XYZ	xyz(19.9153, 34.9735, 11.3301)
Luminance	0.3498 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B645 #B640B1

analogous

#76B640 #40B645 #40B680

triadic

#40B645 #4540B6 #B64540

tetradic

#40B645 #4076B6 #B640B1 #B68040

square

#40B645 #4076B6 #B640B1 #B68040

split-complementary

#40B645 #8040B6 #B64076

monochromatic

#205B23 #308934 #40B645 #69CA6D #96DA99

Accessibility & contrast

On white

2.63

#40B645 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.00

#40B645 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B645

8.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B645	#FFFFFF	#000000	##000000
##40B645	1.00	2.63	8.00	8.00
#FFFFFF	2.63	1.00	21.00	21.00
#000000	8.00	21.00	1.00	1.00
##000000	8.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A638

Deuteranopia (green-blind)

#AB9C4E

Tritanopia (blue-blind)

#24B19E

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b645;
/* rgb */ color: rgb(64, 182, 69);
/* oklch */ color: oklch(68.6% 0.186 143.8);

Tailwind

colors: {
  custom: {
    50: '#83cd7d',
    500: '#40b645',
    950: '#000000',
  },
}

SCSS

$custom: #40b645;
$custom-light: #83cd7d;
$custom-dark: #000000;

JSON

{
  "hex": "#40b645",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 69
  },
  "hsl": {
    "h": 122.542,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.68615,
    "c": 0.18572,
    "h": 143.8
  },
  "luminance": 0.34976
}

Semantic roles & 50–950 ramp

primary

#40B645

secondary

#C68CC3

accent

#50D2D8

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #40B645

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

Preview Lab → · Contrast checker → · Palette generator →