#40BF3B#40BF3B

#40BF3B is a light, highly saturated green. Relative luminance 0.387; OKLCH L 70.9% C 0.204 H 142.6°. Best body text is #000000 at 8.73:1 contrast (WCAG AA passes).

Color values

HEX	#40BF3B
RGB	rgb(64, 191, 59)
HSL	hsl(118, 53%, 49%)
HSV	hsv(118, 69%, 75%)
CMYK	cmyk(66.5%, 0%, 69.1%, 25.1%)
CIE-LAB	lab(68.51, -59.45, 54.09)
CIE-LCH	lch(68.51, 80.37, 137.70°)
OKLab	oklab(70.89% -0.1617 0.1238)
OKLCH	oklch(70.89% 0.204 142.6)
XYZ	xyz(21.5333, 38.6651, 10.4651)
Luminance	0.3867 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BF3B #BA3BBF

analogous

#82BF3B #40BF3B #3BBF78

triadic

#40BF3B #3B40BF #BF3B40

tetradic

#40BF3B #3B82BF #BA3BBF #BF783B

square

#40BF3B #3B82BF #BA3BBF #BF783B

split-complementary

#40BF3B #783BBF #BF3B82

monochromatic

#21611E #30902D #40BF3B #6BD067 #99DF96

Accessibility & contrast

On white

2.40

#40BF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.73

#40BF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BF3B

8.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BF3B	#FFFFFF	#000000	##000000
##40BF3B	1.00	2.40	8.73	8.73
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.73	21.00	1.00	1.00
##000000	8.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD27

Deuteranopia (green-blind)

#B4A348

Tritanopia (blue-blind)

#23B9A4

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #40bf3b;
/* rgb */ color: rgb(64, 191, 59);
/* oklch */ color: oklch(70.9% 0.204 142.6);

Tailwind

colors: {
  custom: {
    50: '#85d378',
    500: '#40bf3b',
    950: '#000000',
  },
}

SCSS

$custom: #40bf3b;
$custom-light: #85d378;
$custom-dark: #000000;

JSON

{
  "hex": "#40bf3b",
  "rgb": {
    "r": 64,
    "g": 191,
    "b": 59
  },
  "hsl": {
    "h": 117.727,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.70888,
    "c": 0.20365,
    "h": 142.6
  },
  "luminance": 0.38667
}

Semantic roles & 50–950 ramp

primary

#40BF3B

secondary

#C88CCA

accent

#4CDCD7

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #40BF3B

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

Preview Lab → · Contrast checker → · Palette generator →