#40BC5B#40BC5B

#40BC5B is a light, vivid green. Relative luminance 0.378; OKLCH L 70.5% C 0.175 H 147.4°. Best body text is #000000 at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#40BC5B
RGB	rgb(64, 188, 91)
HSL	hsl(133, 49%, 49%)
HSV	hsv(133, 66%, 74%)
CMYK	cmyk(66%, 0%, 51.6%, 26.3%)
CIE-LAB	lab(67.88, -54.63, 39.00)
CIE-LCH	lch(67.88, 67.12, 144.47°)
OKLab	oklab(70.47% -0.1474 0.0941)
OKLCH	oklch(70.47% 0.175 147.4)
XYZ	xyz(21.9843, 37.8095, 16.0349)
Luminance	0.3781 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40BC5B #BC40A1

analogous

#63BC40 #40BC5B #40BC99

triadic

#40BC5B #5B40BC #BC5B40

tetradic

#40BC5B #4063BC #BC40A1 #BC9940

square

#40BC5B #4063BC #BC40A1 #BC9940

split-complementary

#40BC5B #9940BC #BC4063

monochromatic

#21612F #308E45 #40BC5B #6CCD81 #9ADDA8

Accessibility & contrast

On white

2.45

#40BC5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.56

#40BC5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40BC5B

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40BC5B	#FFFFFF	#000000	##000000
##40BC5B	1.00	2.45	8.56	8.56
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.56	21.00	1.00	1.00
##000000	8.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAC53

Deuteranopia (green-blind)

#AFA162

Tritanopia (blue-blind)

#14B8A6

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #40bc5b;
/* rgb */ color: rgb(64, 188, 91);
/* oklch */ color: oklch(70.5% 0.175 147.4);

Tailwind

colors: {
  custom: {
    50: '#83d18b',
    500: '#40bc5b',
    950: '#000000',
  },
}

SCSS

$custom: #40bc5b;
$custom-light: #83d18b;
$custom-dark: #000000;

JSON

{
  "hex": "#40bc5b",
  "rgb": {
    "r": 64,
    "g": 188,
    "b": 91
  },
  "hsl": {
    "h": 133.065,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.70472,
    "c": 0.17487,
    "h": 147.4
  },
  "luminance": 0.37812
}

Semantic roles & 50–950 ramp

primary

#40BC5B

secondary

#C98FBC

accent

#4FBBD9

background

#F8FDF8

surface

#F0FAF0

border

#CBD3CB

text

#0C140C

muted

#7D837D

Preview Lab

Preview with #40BC5B

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

Preview Lab → · Contrast checker → · Palette generator →