#40DD8C#40DD8C

#40DD8C is a light, vivid green. Relative luminance 0.547; OKLCH L 79.8% C 0.173 H 155.8°. Best body text is #000000 at 11.94:1 contrast (WCAG AA passes).

Color values

HEX	#40DD8C
RGB	rgb(64, 221, 140)
HSL	hsl(149, 70%, 56%)
HSV	hsv(149, 71%, 87%)
CMYK	cmyk(71%, 0%, 36.7%, 13.3%)
CIE-LAB	lab(78.86, -58.54, 28.35)
CIE-LCH	lch(78.86, 65.04, 154.16°)
OKLab	oklab(79.77% -0.1582 0.0711)
OKLCH	oklch(79.77% 0.173 155.8)
XYZ	xyz(32.7014, 54.6926, 33.6392)
Luminance	0.5470 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DD8C #DD4091

analogous

#42DD40 #40DD8C #40DDDB

triadic

#40DD8C #8C40DD #DD8C40

tetradic

#40DD8C #4042DD #DD4091 #DDDB40

square

#40DD8C #4042DD #DD4091 #DDDB40

split-complementary

#40DD8C #DB40DD #DD4042

monochromatic

#198A4F #22BE6D #40DD8C #74E6AB #A8EFCB

Accessibility & contrast

On white

1.76

#40DD8C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.94

#40DD8C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD8C

11.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DD8C	#FFFFFF	#000000	##000000
##40DD8C	1.00	1.76	11.94	11.94
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.94	21.00	1.00	1.00
##000000	11.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCB87

Deuteranopia (green-blind)

#C9BE91

Tritanopia (blue-blind)

#00DBC8

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40dd8c;
/* rgb */ color: rgb(64, 221, 140);
/* oklch */ color: oklch(79.8% 0.173 155.8);

Tailwind

colors: {
  custom: {
    50: '#89e9ae',
    500: '#40dd8c',
    950: '#000000',
  },
}

SCSS

$custom: #40dd8c;
$custom-light: #89e9ae;
$custom-dark: #000000;

JSON

{
  "hex": "#40dd8c",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 140
  },
  "hsl": {
    "h": 149.045,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79771,
    "c": 0.17347,
    "h": 155.8
  },
  "luminance": 0.54696
}

Semantic roles & 50–950 ramp

primary

#40DD8C

secondary

#903162

accent

#3B97ED

background

#FCFEFD

surface

#F4FDF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40DD8C

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

Preview Lab → · Contrast checker → · Palette generator →