#40B641#40B641

#40B641 is a light, vivid green. Relative luminance 0.349; OKLCH L 68.6% C 0.189 H 143.3°. Best body text is #000000 at 7.99:1 contrast (WCAG AA passes).

Color values

HEX	#40B641
RGB	rgb(64, 182, 65)
HSL	hsl(121, 48%, 48%)
HSV	hsv(121, 65%, 71%)
CMYK	cmyk(64.8%, 0%, 64.3%, 28.6%)
CIE-LAB	lab(65.69, -55.74, 48.56)
CIE-LCH	lch(65.69, 73.92, 138.94°)
OKLab	oklab(68.57% -0.1513 0.1128)
OKLCH	oklch(68.57% 0.189 143.3)
XYZ	xyz(19.7953, 34.9255, 10.6981)
Luminance	0.3493 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B641 #B640B5

analogous

#7AB640 #40B641 #40B67C

triadic

#40B641 #4140B6 #B64140

tetradic

#40B641 #407AB6 #B640B5 #B67C40

square

#40B641 #407AB6 #B640B5 #B67C40

split-complementary

#40B641 #7C40B6 #B6407A

monochromatic

#205B21 #308931 #40B641 #69CA6A #96DA97

Accessibility & contrast

On white

2.63

#40B641 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.99

#40B641 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B641

7.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B641	#FFFFFF	#000000	##000000
##40B641	1.00	2.63	7.99	7.99
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.99	21.00	1.00	1.00
##000000	7.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA633

Deuteranopia (green-blind)

#AB9C4B

Tritanopia (blue-blind)

#26B19E

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b641;
/* rgb */ color: rgb(64, 182, 65);
/* oklch */ color: oklch(68.6% 0.189 143.3);

Tailwind

colors: {
  custom: {
    50: '#83cd7a',
    500: '#40b641',
    950: '#000000',
  },
}

SCSS

$custom: #40b641;
$custom-light: #83cd7a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b641",
  "rgb": {
    "r": 64,
    "g": 182,
    "b": 65
  },
  "hsl": {
    "h": 120.508,
    "s": 47.967,
    "l": 48.235
  },
  "oklch": {
    "l": 0.68572,
    "c": 0.18875,
    "h": 143.3
  },
  "luminance": 0.34928
}

Semantic roles & 50–950 ramp

primary

#40B641

secondary

#C68CC5

accent

#50D6D8

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #40B641

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

Preview Lab → · Contrast checker → · Palette generator →