#40BB4B#40BB4B

#40BB4B is a light, vivid green. Relative luminance 0.371; OKLCH L 70.0% C 0.187 H 144.6°. Best body text is #000000 at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#40BB4B
RGB	rgb(64, 187, 75)
HSL	hsl(125, 49%, 49%)
HSV	hsv(125, 66%, 73%)
CMYK	cmyk(65.8%, 0%, 59.9%, 26.7%)
CIE-LAB	lab(67.38, -56.39, 46.02)
CIE-LCH	lch(67.38, 72.78, 140.78°)
OKLab	oklab(70% -0.1526 0.1083)
OKLCH	oklch(70% 0.187 144.6)
XYZ	xyz(21.1533, 37.1365, 12.7085)
Luminance	0.3714 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BB4B #BB40B0

analogous

#73BB40 #40BB4B #40BB89

triadic

#40BB4B #4B40BB #BB4B40

tetradic

#40BB4B #4073BB #BB40B0 #BB8940

square

#40BB4B #4073BB #BB40B0 #BB8940

split-complementary

#40BB4B #8940BB #BB4073

monochromatic

#216026 #308D39 #40BB4B #6CCD74 #99DC9F

Accessibility & contrast

On white

2.49

#40BB4B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.43

#40BB4B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB4B

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BB4B	#FFFFFF	#000000	##000000
##40BB4B	1.00	2.49	8.43	8.43
#FFFFFF	2.49	1.00	21.00	21.00
#000000	8.43	21.00	1.00	1.00
##000000	8.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAA3F

Deuteranopia (green-blind)

#AFA054

Tritanopia (blue-blind)

#1FB6A3

Achromatopsia (no color)

#A4A4A4

Design tokens & code

CSS

--color: #40bb4b;
/* rgb */ color: rgb(64, 187, 75);
/* oklch */ color: oklch(70.0% 0.187 144.6);

Tailwind

colors: {
  custom: {
    50: '#84d081',
    500: '#40bb4b',
    950: '#000000',
  },
}

SCSS

$custom: #40bb4b;
$custom-light: #84d081;
$custom-dark: #000000;

JSON

{
  "hex": "#40bb4b",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 75
  },
  "hsl": {
    "h": 125.366,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.69999,
    "c": 0.18717,
    "h": 144.6
  },
  "luminance": 0.37139
}

Semantic roles & 50–950 ramp

primary

#40BB4B

secondary

#C88FC3

accent

#4FCCD9

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #40BB4B

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

Preview Lab → · Contrast checker → · Palette generator →