#40BF40#40BF40

#40BF40 is a light, highly saturated green. Relative luminance 0.387; OKLCH L 70.9% C 0.200 H 143.1°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#40BF40
RGB	rgb(64, 191, 64)
HSL	hsl(120, 50%, 50%)
HSV	hsv(120, 66%, 75%)
CMYK	cmyk(66.5%, 0%, 66.5%, 25.1%)
CIE-LAB	lab(68.55, -58.98, 52.12)
CIE-LCH	lch(68.55, 78.71, 138.54°)
OKLab	oklab(70.93% -0.1602 0.1203)
OKLCH	oklch(70.93% 0.2 143.1)
XYZ	xyz(21.6693, 38.7195, 11.1811)
Luminance	0.3872 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BF40 #BF40BF

analogous

#80BF40 #40BF40 #40BF80

triadic

#40BF40 #4040BF #BF4040

tetradic

#40BF40 #407FBF #BF40BF #BF8040

square

#40BF40 #407FBF #BF40BF #BF8040

split-complementary

#40BF40 #7F40BF #BF4080

monochromatic

#216321 #319131 #40BF40 #6ECE6E #9CDE9C

Accessibility & contrast

On white

2.40

#40BF40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#40BF40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF40

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BF40	#FFFFFF	#000000	##000000
##40BF40	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AE2F

Deuteranopia (green-blind)

#B4A34C

Tritanopia (blue-blind)

#21BAA5

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #40bf40;
/* rgb */ color: rgb(64, 191, 64);
/* oklch */ color: oklch(70.9% 0.200 143.1);

Tailwind

colors: {
  custom: {
    50: '#85d37b',
    500: '#40bf40',
    950: '#000000',
  },
}

SCSS

$custom: #40bf40;
$custom-light: #85d37b;
$custom-dark: #000000;

JSON

{
  "hex": "#40bf40",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 49.804,
    "l": 50
  },
  "oklch": {
    "l": 0.70933,
    "c": 0.20028,
    "h": 143.1
  },
  "luminance": 0.38722
}

Semantic roles & 50–950 ramp

primary

#40BF40

secondary

#CA91CA

accent

#4ED9D9

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C140A

muted

#7D837C

Preview Lab

Preview with #40BF40

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

Preview Lab → · Contrast checker → · Palette generator →