#40E66B#40E66B

#40E66B is a light, highly saturated green. Relative luminance 0.587; OKLCH L 81.5% C 0.214 H 147.7°. Best body text is #000000 at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#40E66B
RGB	rgb(64, 230, 107)
HSL	hsl(136, 77%, 58%)
HSV	hsv(136, 72%, 90%)
CMYK	cmyk(72.2%, 0%, 53.5%, 9.8%)
CIE-LAB	lab(81.15, -67.10, 47.53)
CIE-LCH	lch(81.15, 82.23, 144.69°)
OKLab	oklab(81.51% -0.1806 0.114)
OKLCH	oklch(81.51% 0.214 147.7)
XYZ	xyz(33.0625, 58.7414, 23.5028)
Luminance	0.5875 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E66B #E640BB

analogous

#68E640 #40E66B #40E6BE

triadic

#40E66B #6B40E6 #E66B40

tetradic

#40E66B #4068E6 #E640BB #E6BE40

square

#40E66B #4068E6 #E640BB #E6BE40

split-complementary

#40E66B #BE40E6 #E64068

monochromatic

#149836 #1BCE49 #40E66B #76ED95 #ACF4BF

Accessibility & contrast

On white

1.65

#40E66B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.75

#40E66B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E66B

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E66B	#FFFFFF	#000000	##000000
##40E66B	1.00	1.65	12.75	12.75
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.75	21.00	1.00	1.00
##000000	12.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8D260

Deuteranopia (green-blind)

#D5C474

Tritanopia (blue-blind)

#00E1CA

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #40e66b;
/* rgb */ color: rgb(64, 230, 107);
/* oklch */ color: oklch(81.5% 0.214 147.7);

Tailwind

colors: {
  custom: {
    50: '#8bef98',
    500: '#40e66b',
    950: '#000000',
  },
}

SCSS

$custom: #40e66b;
$custom-light: #8bef98;
$custom-dark: #000000;

JSON

{
  "hex": "#40e66b",
  "rgb": {
    "r": 64,
    "g": 230,
    "b": 107
  },
  "hsl": {
    "h": 135.542,
    "s": 76.852,
    "l": 57.647
  },
  "oklch": {
    "l": 0.81506,
    "c": 0.21356,
    "h": 147.7
  },
  "luminance": 0.58745
}

Semantic roles & 50–950 ramp

primary

#40E66B

secondary

#9B2F7F

accent

#34C2F3

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E170E

muted

#7F857F

Preview Lab

Preview with #40E66B

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

Preview Lab → · Contrast checker → · Palette generator →