#40D573#40D573

#40D573 is a light, vivid green. Relative luminance 0.499; OKLCH L 77.3% C 0.186 H 150.5°. Best body text is #000000 at 10.98:1 contrast (WCAG AA passes).

Color values

HEX	#40D573
RGB	rgb(64, 213, 115)
HSL	hsl(141, 64%, 54%)
HSV	hsv(141, 70%, 84%)
CMYK	cmyk(70%, 0%, 46%, 16.5%)
CIE-LAB	lab(76.02, -60.01, 37.30)
CIE-LCH	lch(76.02, 70.66, 148.14°)
OKLab	oklab(77.3% -0.1616 0.0914)
OKLCH	oklch(77.3% 0.186 150.5)
XYZ	xyz(29.0007, 49.9131, 24.3221)
Luminance	0.4992 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D573 #D540A2

analogous

#58D540 #40D573 #40D5BE

triadic

#40D573 #7340D5 #D57340

tetradic

#40D573 #4058D5 #D540A2 #D5BE40

square

#40D573 #4058D5 #D540A2 #D5BE40

split-complementary

#40D573 #BE40D5 #D54058

monochromatic

#1C7F3E #27B156 #40D573 #72E098 #A4EBBD

Accessibility & contrast

On white

1.91

#40D573 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.98

#40D573 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D573

10.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D573	#FFFFFF	#000000	##000000
##40D573	1.00	1.91	10.98	10.98
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.98	21.00	1.00	1.00
##000000	10.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C36B

Deuteranopia (green-blind)

#C4B67A

Tritanopia (blue-blind)

#00D1BE

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #40d573;
/* rgb */ color: rgb(64, 213, 115);
/* oklch */ color: oklch(77.3% 0.186 150.5);

Tailwind

colors: {
  custom: {
    50: '#88e39d',
    500: '#40d573',
    950: '#000000',
  },
}

SCSS

$custom: #40d573;
$custom-light: #88e39d;
$custom-dark: #000000;

JSON

{
  "hex": "#40d573",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 115
  },
  "hsl": {
    "h": 140.537,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77295,
    "c": 0.18561,
    "h": 150.5
  },
  "luminance": 0.49916
}

Semantic roles & 50–950 ramp

primary

#40D573

secondary

#D899C2

accent

#41AEE7

background

#F9FEF9

surface

#F1FCF2

border

#CBD5CC

text

#0D160E

muted

#7E847E

Preview Lab

Preview with #40D573

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

Preview Lab → · Contrast checker → · Palette generator →