#40C866#40C866

#40C866 is a light, vivid green. Relative luminance 0.434; OKLCH L 73.8% C 0.181 H 148.9°. Best body text is #000000 at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#40C866
RGB	rgb(64, 200, 102)
HSL	hsl(137, 55%, 52%)
HSV	hsv(137, 68%, 78%)
CMYK	cmyk(68%, 0%, 49%, 21.6%)
CIE-LAB	lab(71.80, -57.37, 38.43)
CIE-LCH	lch(71.80, 69.05, 146.18°)
OKLab	oklab(73.75% -0.1546 0.0934)
OKLCH	oklch(73.75% 0.181 148.9)
XYZ	xyz(25.1650, 43.3551, 19.6100)
Luminance	0.4336 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C866 #C840A2

analogous

#5EC840 #40C866 #40C8AA

triadic

#40C866 #6640C8 #C86640

tetradic

#40C866 #405EC8 #C840A2 #C8AA40

square

#40C866 #405EC8 #C840A2 #C8AA40

split-complementary

#40C866 #AA40C8 #C8405E

monochromatic

#206E36 #2D9D4D #40C866 #70D68C #9FE3B2

Accessibility & contrast

On white

2.17

#40C866 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.67

#40C866 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C866

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C866	#FFFFFF	#000000	##000000
##40C866	1.00	2.17	9.67	9.67
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.67	21.00	1.00	1.00
##000000	9.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB75E

Deuteranopia (green-blind)

#B9AB6D

Tritanopia (blue-blind)

#00C4B1

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40c866;
/* rgb */ color: rgb(64, 200, 102);
/* oklch */ color: oklch(73.8% 0.181 148.9);

Tailwind

colors: {
  custom: {
    50: '#85da93',
    500: '#40c866',
    950: '#000000',
  },
}

SCSS

$custom: #40c866;
$custom-light: #85da93;
$custom-dark: #000000;

JSON

{
  "hex": "#40c866",
  "rgb": {
    "r": 64,
    "g": 200,
    "b": 102
  },
  "hsl": {
    "h": 136.765,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.73752,
    "c": 0.18059,
    "h": 148.9
  },
  "luminance": 0.43358
}

Semantic roles & 50–950 ramp

primary

#40C866

secondary

#D094BF

accent

#49B5DF

background

#F8FDF9

surface

#F0FBF1

border

#CBD4CB

text

#0C150D

muted

#7D837E

Preview Lab

Preview with #40C866

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

Preview Lab → · Contrast checker → · Palette generator →