#40BB63#40BB63

#40BB63 is a light, vivid green. Relative luminance 0.375; OKLCH L 70.3% C 0.166 H 149.3°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#40BB63
RGB	rgb(64, 187, 99)
HSL	hsl(137, 49%, 49%)
HSV	hsv(137, 66%, 73%)
CMYK	cmyk(65.8%, 0%, 47.1%, 26.7%)
CIE-LAB	lab(67.67, -53.03, 34.74)
CIE-LCH	lch(67.67, 63.40, 146.77°)
OKLab	oklab(70.34% -0.143 0.0849)
OKLCH	oklch(70.34% 0.166 149.3)
XYZ	xyz(22.1351, 37.5292, 17.8793)
Luminance	0.3753 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BB63 #BB4098

analogous

#5BBB40 #40BB63 #40BBA1

triadic

#40BB63 #6340BB #BB6340

tetradic

#40BB63 #405BBB #BB4098 #BBA140

square

#40BB63 #405BBB #BB4098 #BBA140

split-complementary

#40BB63 #A140BB #BB405B

monochromatic

#216033 #308D4B #40BB63 #6CCD87 #99DCAC

Accessibility & contrast

On white

2.47

#40BB63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#40BB63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BB63

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BB63	#FFFFFF	#000000	##000000
##40BB63	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCAB5C

Deuteranopia (green-blind)

#ADA169

Tritanopia (blue-blind)

#0DB8A6

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40bb63;
/* rgb */ color: rgb(64, 187, 99);
/* oklch */ color: oklch(70.3% 0.166 149.3);

Tailwind

colors: {
  custom: {
    50: '#83d091',
    500: '#40bb63',
    950: '#000000',
  },
}

SCSS

$custom: #40bb63;
$custom-light: #83d091;
$custom-dark: #000000;

JSON

{
  "hex": "#40bb63",
  "rgb": {
    "r": 64,
    "g": 187,
    "b": 99
  },
  "hsl": {
    "h": 137.073,
    "s": 49.004,
    "l": 49.216
  },
  "oklch": {
    "l": 0.70336,
    "c": 0.16632,
    "h": 149.3
  },
  "luminance": 0.37531
}

Semantic roles & 50–950 ramp

primary

#40BB63

secondary

#C88FB8

accent

#4FB1D9

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C140D

muted

#7D827D

Preview Lab

Preview with #40BB63

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

Preview Lab → · Contrast checker → · Palette generator →