#40D559#40D559

#40D559 is a light, highly saturated green. Relative luminance 0.494; OKLCH L 76.9% C 0.208 H 145.9°. Best body text is #000000 at 10.88:1 contrast (WCAG AA passes).

Color values

HEX	#40D559
RGB	rgb(64, 213, 89)
HSL	hsl(130, 64%, 54%)
HSV	hsv(130, 70%, 84%)
CMYK	cmyk(70%, 0%, 58.2%, 16.5%)
CIE-LAB	lab(75.70, -63.71, 49.31)
CIE-LCH	lch(75.70, 80.56, 142.26°)
OKLab	oklab(76.93% -0.1719 0.1166)
OKLCH	oklch(76.93% 0.208 145.9)
XYZ	xyz(27.7098, 49.3967, 17.5234)
Luminance	0.4940 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D559 #D540BC

analogous

#72D540 #40D559 #40D5A4

triadic

#40D559 #5940D5 #D55940

tetradic

#40D559 #4072D5 #D540BC #D5A440

square

#40D559 #4072D5 #D540BC #D5A440

split-complementary

#40D559 #A440D5 #D54072

monochromatic

#1C7F2C #27B13E #40D559 #72E085 #A4EBB0

Accessibility & contrast

On white

1.93

#40D559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.88

#40D559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D559

10.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D559	#FFFFFF	#000000	##000000
##40D559	1.00	1.93	10.88	10.88
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.88	21.00	1.00	1.00
##000000	10.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C24C

Deuteranopia (green-blind)

#C7B663

Tritanopia (blue-blind)

#00D0BA

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #40d559;
/* rgb */ color: rgb(64, 213, 89);
/* oklch */ color: oklch(76.9% 0.208 145.9);

Tailwind

colors: {
  custom: {
    50: '#88e38b',
    500: '#40d559',
    950: '#000000',
  },
}

SCSS

$custom: #40d559;
$custom-light: #88e38b;
$custom-dark: #000000;

JSON

{
  "hex": "#40d559",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 89
  },
  "hsl": {
    "h": 130.067,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76928,
    "c": 0.20774,
    "h": 145.9
  },
  "luminance": 0.494
}

Semantic roles & 50–950 ramp

primary

#40D559

secondary

#D899CD

accent

#41CBE7

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160C

muted

#7E847D

Preview Lab

Preview with #40D559

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

Preview Lab → · Contrast checker → · Palette generator →