#40D570#40D570

#40D570 is a light, vivid green. Relative luminance 0.498; OKLCH L 77.2% C 0.188 H 149.9°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#40D570
RGB	rgb(64, 213, 112)
HSL	hsl(139, 64%, 54%)
HSV	hsv(139, 70%, 84%)
CMYK	cmyk(70%, 0%, 47.4%, 16.5%)
CIE-LAB	lab(75.97, -60.49, 38.73)
CIE-LCH	lch(75.97, 71.83, 147.37°)
OKLab	oklab(77.25% -0.1628 0.0945)
OKLCH	oklch(77.25% 0.188 149.9)
XYZ	xyz(28.8309, 49.8451, 23.4277)
Luminance	0.4985 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D570 #D540A5

analogous

#5BD540 #40D570 #40D5BB

triadic

#40D570 #7040D5 #D57040

tetradic

#40D570 #405BD5 #D540A5 #D5BB40

square

#40D570 #405BD5 #D540A5 #D5BB40

split-complementary

#40D570 #BB40D5 #D5405B

monochromatic

#1C7F3C #27B153 #40D570 #72E096 #A4EBBB

Accessibility & contrast

On white

1.91

#40D570 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#40D570 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D570

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D570	#FFFFFF	#000000	##000000
##40D570	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C368

Deuteranopia (green-blind)

#C4B677

Tritanopia (blue-blind)

#00D1BD

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #40d570;
/* rgb */ color: rgb(64, 213, 112);
/* oklch */ color: oklch(77.2% 0.188 149.9);

Tailwind

colors: {
  custom: {
    50: '#88e39a',
    500: '#40d570',
    950: '#000000',
  },
}

SCSS

$custom: #40d570;
$custom-light: #88e39a;
$custom-dark: #000000;

JSON

{
  "hex": "#40d570",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 112
  },
  "hsl": {
    "h": 139.329,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77247,
    "c": 0.18829,
    "h": 149.9
  },
  "luminance": 0.49848
}

Semantic roles & 50–950 ramp

primary

#40D570

secondary

#D899C4

accent

#41B1E7

background

#F9FEF9

surface

#F1FCF2

border

#CBD5CC

text

#0D160E

muted

#7E847E

Preview Lab

Preview with #40D570

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

Preview Lab → · Contrast checker → · Palette generator →