#40DD8D#40DD8D

#40DD8D is a light, vivid green. Relative luminance 0.547; OKLCH L 79.8% C 0.173 H 156.1°. Best body text is #000000 at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#40DD8D
RGB	rgb(64, 221, 141)
HSL	hsl(149, 70%, 56%)
HSV	hsv(149, 71%, 87%)
CMYK	cmyk(71%, 0%, 36.2%, 13.3%)
CIE-LAB	lab(78.88, -58.35, 27.86)
CIE-LCH	lch(78.88, 64.66, 154.47°)
OKLab	oklab(79.79% -0.1578 0.0699)
OKLCH	oklch(79.79% 0.173 156.1)
XYZ	xyz(32.7754, 54.7222, 34.0292)
Luminance	0.5473 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40DD8D #DD4090

analogous

#41DD40 #40DD8D #40DDDC

triadic

#40DD8D #8D40DD #DD8D40

tetradic

#40DD8D #4041DD #DD4090 #DDDC40

square

#40DD8D #4041DD #DD4090 #DDDC40

split-complementary

#40DD8D #DC40DD #DD4041

monochromatic

#198A50 #22BE6E #40DD8D #74E6AC #A8EFCB

Accessibility & contrast

On white

1.76

#40DD8D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.95

#40DD8D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40DD8D

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40DD8D	#FFFFFF	#000000	##000000
##40DD8D	1.00	1.76	11.95	11.95
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.95	21.00	1.00	1.00
##000000	11.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCC88

Deuteranopia (green-blind)

#C8BE92

Tritanopia (blue-blind)

#00DBC9

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #40dd8d;
/* rgb */ color: rgb(64, 221, 141);
/* oklch */ color: oklch(79.8% 0.173 156.1);

Tailwind

colors: {
  custom: {
    50: '#89e9af',
    500: '#40dd8d',
    950: '#000000',
  },
}

SCSS

$custom: #40dd8d;
$custom-light: #89e9af;
$custom-dark: #000000;

JSON

{
  "hex": "#40dd8d",
  "rgb": {
    "r": 64,
    "g": 221,
    "b": 141
  },
  "hsl": {
    "h": 149.427,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.79791,
    "c": 0.17258,
    "h": 156.1
  },
  "luminance": 0.54726
}

Semantic roles & 50–950 ramp

primary

#40DD8D

secondary

#903162

accent

#3B96ED

background

#FCFEFD

surface

#F4FDF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40DD8D

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

Preview Lab → · Contrast checker → · Palette generator →