#40D840#40D840

#40D840 is a light, highly saturated green. Relative luminance 0.506; OKLCH L 77.5% C 0.229 H 143.0°. Best body text is #000000 at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#40D840
RGB	rgb(64, 216, 64)
HSL	hsl(120, 66%, 55%)
HSV	hsv(120, 70%, 85%)
CMYK	cmyk(70.4%, 0%, 70.4%, 15.3%)
CIE-LAB	lab(76.42, -67.27, 60.47)
CIE-LCH	lch(76.42, 90.45, 138.05°)
OKLab	oklab(77.46% -0.1826 0.1378)
OKLCH	oklch(77.46% 0.229 143)
XYZ	xyz(27.5940, 50.5689, 13.1560)
Luminance	0.5057 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D840 #D840D8

analogous

#8CD840 #40D840 #40D88C

triadic

#40D840 #4040D8 #D84040

tetradic

#40D840 #408CD8 #D840D8 #D88C40

square

#40D840 #408CD8 #D840D8 #D88C40

split-complementary

#40D840 #8C40D8 #D8408C

monochromatic

#1B831B #25B625 #40D840 #73E273 #A6EDA6

Accessibility & contrast

On white

1.89

#40D840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.11

#40D840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D840

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D840	#FFFFFF	#000000	##000000
##40D840	1.00	1.89	11.11	11.11
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.11	21.00	1.00	1.00
##000000	11.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC427

Deuteranopia (green-blind)

#CBB84F

Tritanopia (blue-blind)

#08D2BA

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40d840;
/* rgb */ color: rgb(64, 216, 64);
/* oklch */ color: oklch(77.5% 0.229 143.0);

Tailwind

colors: {
  custom: {
    50: '#8ae57d',
    500: '#40d840',
    950: '#000000',
  },
}

SCSS

$custom: #40d840;
$custom-light: #8ae57d;
$custom-dark: #000000;

JSON

{
  "hex": "#40d840",
  "rgb": {
    "r": 64,
    "g": 216,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.77455,
    "c": 0.22879,
    "h": 143
  },
  "luminance": 0.50572
}

Semantic roles & 50–950 ramp

primary

#40D840

secondary

#8A338A

accent

#3FE9E9

background

#FCFEFB

surface

#F4FCF2

border

#CED5CC

text

#0D160A

muted

#7F847D

Preview Lab

Preview with #40D840

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

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