#40D66E#40D66E

#40D66E is a light, vivid green. Relative luminance 0.503; OKLCH L 77.5% C 0.191 H 149.4°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#40D66E
RGB	rgb(64, 214, 110)
HSL	hsl(138, 65%, 55%)
HSV	hsv(138, 70%, 84%)
CMYK	cmyk(70.1%, 0%, 48.6%, 16.1%)
CIE-LAB	lab(76.26, -61.15, 40.07)
CIE-LCH	lch(76.26, 73.11, 146.77°)
OKLab	oklab(77.47% -0.1646 0.0975)
OKLCH	oklch(77.47% 0.191 149.4)
XYZ	xyz(28.9731, 50.3057, 22.9319)
Luminance	0.5031 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D66E #D640A8

analogous

#5DD640 #40D66E #40D6B9

triadic

#40D66E #6E40D6 #D66E40

tetradic

#40D66E #405DD6 #D640A8 #D6B940

square

#40D66E #405DD6 #D640A8 #D6B940

split-complementary

#40D66E #B940D6 #D6405D

monochromatic

#1B803A #26B251 #40D66E #72E194 #A5ECBB

Accessibility & contrast

On white

1.90

#40D66E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#40D66E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D66E

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D66E	#FFFFFF	#000000	##000000
##40D66E	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C465

Deuteranopia (green-blind)

#C6B775

Tritanopia (blue-blind)

#00D2BE

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40d66e;
/* rgb */ color: rgb(64, 214, 110);
/* oklch */ color: oklch(77.5% 0.191 149.4);

Tailwind

colors: {
  custom: {
    50: '#88e499',
    500: '#40d66e',
    950: '#000000',
  },
}

SCSS

$custom: #40d66e;
$custom-light: #88e499;
$custom-dark: #000000;

JSON

{
  "hex": "#40d66e",
  "rgb": {
    "r": 64,
    "g": 214,
    "b": 110
  },
  "hsl": {
    "h": 138.4,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.77471,
    "c": 0.19132,
    "h": 149.4
  },
  "luminance": 0.50309
}

Semantic roles & 50–950 ramp

primary

#40D66E

secondary

#87336D

accent

#40B4E8

background

#FCFEFC

surface

#F4FCF5

border

#CED5CF

text

#0D160E

muted

#7F847F

Preview Lab

Preview with #40D66E

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

Preview Lab → · Contrast checker → · Palette generator →