#40DA8B#40DA8B

#40DA8B is a light, vivid green. Relative luminance 0.531; OKLCH L 79.0% C 0.171 H 156.0°. Best body text is #000000 at 11.62:1 contrast (WCAG AA passes).

Color values

HEX	#40DA8B
RGB	rgb(64, 218, 139)
HSL	hsl(149, 68%, 55%)
HSV	hsv(149, 71%, 85%)
CMYK	cmyk(70.6%, 0%, 36.2%, 14.5%)
CIE-LAB	lab(77.93, -57.61, 27.62)
CIE-LCH	lch(77.93, 63.88, 154.39°)
OKLab	oklab(79% -0.1558 0.0693)
OKLCH	oklch(79% 0.171 156)
XYZ	xyz(31.8430, 53.0933, 32.9909)
Luminance	0.5310 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DA8B #DA408F

analogous

#42DA40 #40DA8B #40DAD8

triadic

#40DA8B #8B40DA #DA8B40

tetradic

#40DA8B #4042DA #DA408F #DAD840

square

#40DA8B #4042DA #DA408F #DAD840

split-complementary

#40DA8B #D840DA #DA4042

monochromatic

#1A864E #24B96C #40DA8B #73E4AA #A7EEC9

Accessibility & contrast

On white

1.81

#40DA8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.62

#40DA8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DA8B

11.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DA8B	#FFFFFF	#000000	##000000
##40DA8B	1.00	1.81	11.62	11.62
#FFFFFF	1.81	1.00	21.00	21.00
#000000	11.62	21.00	1.00	1.00
##000000	11.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C986

Deuteranopia (green-blind)

#C6BB90

Tritanopia (blue-blind)

#00D8C6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #40da8b;
/* rgb */ color: rgb(64, 218, 139);
/* oklch */ color: oklch(79.0% 0.171 156.0);

Tailwind

colors: {
  custom: {
    50: '#88e6ad',
    500: '#40da8b',
    950: '#000000',
  },
}

SCSS

$custom: #40da8b;
$custom-light: #88e6ad;
$custom-dark: #000000;

JSON

{
  "hex": "#40da8b",
  "rgb": {
    "r": 64,
    "g": 218,
    "b": 139
  },
  "hsl": {
    "h": 149.221,
    "s": 67.544,
    "l": 55.294
  },
  "oklch": {
    "l": 0.78997,
    "c": 0.17051,
    "h": 156
  },
  "luminance": 0.53097
}

Semantic roles & 50–950 ramp

primary

#40DA8B

secondary

#8C3260

accent

#3D96EA

background

#FCFEFD

surface

#F4FDF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40DA8B

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

Preview Lab → · Contrast checker → · Palette generator →