#40BC63#40BC63

#40BC63 is a light, vivid green. Relative luminance 0.380; OKLCH L 70.6% C 0.168 H 149.2°. Best body text is #000000 at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#40BC63
RGB	rgb(64, 188, 99)
HSL	hsl(137, 49%, 49%)
HSV	hsv(137, 66%, 74%)
CMYK	cmyk(66%, 0%, 47.3%, 26.3%)
CIE-LAB	lab(67.99, -53.41, 35.14)
CIE-LCH	lch(67.99, 63.93, 146.66°)
OKLab	oklab(70.6% -0.144 0.0858)
OKLCH	oklch(70.6% 0.168 149.2)
XYZ	xyz(22.3480, 37.9549, 17.9502)
Luminance	0.3796 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BC63 #BC4099

analogous

#5BBC40 #40BC63 #40BCA1

triadic

#40BC63 #6340BC #BC6340

tetradic

#40BC63 #405BBC #BC4099 #BCA140

square

#40BC63 #405BBC #BC4099 #BCA140

split-complementary

#40BC63 #A140BC #BC405B

monochromatic

#216133 #308E4B #40BC63 #6CCD88 #9ADDAD

Accessibility & contrast

On white

2.44

#40BC63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.59

#40BC63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BC63

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BC63	#FFFFFF	#000000	##000000
##40BC63	1.00	2.44	8.59	8.59
#FFFFFF	2.44	1.00	21.00	21.00
#000000	8.59	21.00	1.00	1.00
##000000	8.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDAC5C

Deuteranopia (green-blind)

#AEA169

Tritanopia (blue-blind)

#0BB9A7

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #40bc63;
/* rgb */ color: rgb(64, 188, 99);
/* oklch */ color: oklch(70.6% 0.168 149.2);

Tailwind

colors: {
  custom: {
    50: '#83d191',
    500: '#40bc63',
    950: '#000000',
  },
}

SCSS

$custom: #40bc63;
$custom-light: #83d191;
$custom-dark: #000000;

JSON

{
  "hex": "#40bc63",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 99
  },
  "hsl": {
    "h": 136.935,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70596,
    "c": 0.16764,
    "h": 149.2
  },
  "luminance": 0.37957
}

Semantic roles & 50–950 ramp

primary

#40BC63

secondary

#C98FB8

accent

#4FB2D9

background

#F8FCF9

surface

#F0F9F1

border

#CBD2CB

text

#0C140D

muted

#7D827E

Preview Lab

Preview with #40BC63

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

Preview Lab → · Contrast checker → · Palette generator →