#40D589#40D589

#40D589 is a light, vivid green. Relative luminance 0.505; OKLCH L 77.7% C 0.166 H 156.3°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#40D589
RGB	rgb(64, 213, 137)
HSL	hsl(149, 64%, 54%)
HSV	hsv(149, 70%, 84%)
CMYK	cmyk(70%, 0%, 35.7%, 16.5%)
CIE-LAB	lab(76.36, -56.10, 26.55)
CIE-LCH	lch(76.36, 62.07, 154.67°)
OKLab	oklab(77.7% -0.1519 0.0667)
OKLCH	oklch(77.7% 0.166 156.3)
XYZ	xyz(30.4211, 50.4812, 31.8027)
Luminance	0.5049 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D589 #D5408C

analogous

#42D540 #40D589 #40D5D3

triadic

#40D589 #8940D5 #D58940

tetradic

#40D589 #4042D5 #D5408C #D5D340

square

#40D589 #4042D5 #D5408C #D5D340

split-complementary

#40D589 #D340D5 #D54042

monochromatic

#1C7F4C #27B16B #40D589 #72E0A8 #A4EBC7

Accessibility & contrast

On white

1.89

#40D589 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#40D589 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D589

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D589	#FFFFFF	#000000	##000000
##40D589	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C484

Deuteranopia (green-blind)

#C1B78E

Tritanopia (blue-blind)

#00D3C1

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40d589;
/* rgb */ color: rgb(64, 213, 137);
/* oklch */ color: oklch(77.7% 0.166 156.3);

Tailwind

colors: {
  custom: {
    50: '#87e3ac',
    500: '#40d589',
    950: '#000000',
  },
}

SCSS

$custom: #40d589;
$custom-light: #87e3ac;
$custom-dark: #000000;

JSON

{
  "hex": "#40d589",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 137
  },
  "hsl": {
    "h": 149.396,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77695,
    "c": 0.16584,
    "h": 156.3
  },
  "luminance": 0.50485
}

Semantic roles & 50–950 ramp

primary

#40D589

secondary

#86335D

accent

#4196E7

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40D589

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

Preview Lab → · Contrast checker → · Palette generator →