#40D542#40D542

#40D542 is a light, highly saturated green. Relative luminance 0.491; OKLCH L 76.7% C 0.224 H 143.2°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#40D542
RGB	rgb(64, 213, 66)
HSL	hsl(121, 64%, 54%)
HSV	hsv(121, 70%, 84%)
CMYK	cmyk(70%, 0%, 69%, 16.5%)
CIE-LAB	lab(75.49, -66.13, 58.75)
CIE-LCH	lch(75.49, 88.46, 138.39°)
OKLab	oklab(76.69% -0.1794 0.1344)
OKLCH	oklch(76.69% 0.224 143.2)
XYZ	xyz(26.8903, 49.0689, 13.2073)
Luminance	0.4907 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D542 #D540D3

analogous

#89D540 #40D542 #40D58C

triadic

#40D542 #4240D5 #D54240

tetradic

#40D542 #4089D5 #D540D3 #D58C40

square

#40D542 #4089D5 #D540D3 #D58C40

split-complementary

#40D542 #8C40D5 #D54089

monochromatic

#1C7F1D #27B129 #40D542 #72E074 #A4EBA5

Accessibility & contrast

On white

1.94

#40D542 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.81

#40D542 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D542

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D542	#FFFFFF	#000000	##000000
##40D542	1.00	1.94	10.81	10.81
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.81	21.00	1.00	1.00
##000000	10.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C12C

Deuteranopia (green-blind)

#C8B550

Tritanopia (blue-blind)

#0CCFB8

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d542;
/* rgb */ color: rgb(64, 213, 66);
/* oklch */ color: oklch(76.7% 0.224 143.2);

Tailwind

colors: {
  custom: {
    50: '#89e37e',
    500: '#40d542',
    950: '#000000',
  },
}

SCSS

$custom: #40d542;
$custom-light: #89e37e;
$custom-dark: #000000;

JSON

{
  "hex": "#40d542",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 66
  },
  "hsl": {
    "h": 120.805,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76694,
    "c": 0.22422,
    "h": 143.2
  },
  "luminance": 0.49072
}

Semantic roles & 50–950 ramp

primary

#40D542

secondary

#D899D7

accent

#41E5E7

background

#F9FEF8

surface

#F2FCEF

border

#CCD5CA

text

#0D160A

muted

#7E847C

Preview Lab

Preview with #40D542

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

Preview Lab → · Contrast checker → · Palette generator →