#40D588#40D588

#40D588 is a light, vivid green. Relative luminance 0.505; OKLCH L 77.7% C 0.167 H 156.0°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#40D588
RGB	rgb(64, 213, 136)
HSL	hsl(149, 64%, 54%)
HSV	hsv(149, 70%, 84%)
CMYK	cmyk(70%, 0%, 36.2%, 16.5%)
CIE-LAB	lab(76.35, -56.29, 27.04)
CIE-LCH	lch(76.35, 62.45, 154.34°)
OKLab	oklab(77.68% -0.1523 0.0678)
OKLCH	oklch(77.68% 0.167 156)
XYZ	xyz(30.3497, 50.4526, 31.4266)
Luminance	0.5046 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D588 #D5408D

analogous

#43D540 #40D588 #40D5D2

triadic

#40D588 #8840D5 #D58840

tetradic

#40D588 #4043D5 #D5408D #D5D240

square

#40D588 #4043D5 #D5408D #D5D240

split-complementary

#40D588 #D240D5 #D54043

monochromatic

#1C7F4C #27B16A #40D588 #72E0A7 #A4EBC7

Accessibility & contrast

On white

1.89

#40D588 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.09

#40D588 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D588

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D588	#FFFFFF	#000000	##000000
##40D588	1.00	1.89	11.09	11.09
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.09	21.00	1.00	1.00
##000000	11.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C483

Deuteranopia (green-blind)

#C1B78D

Tritanopia (blue-blind)

#00D3C1

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #40d588;
/* rgb */ color: rgb(64, 213, 136);
/* oklch */ color: oklch(77.7% 0.167 156.0);

Tailwind

colors: {
  custom: {
    50: '#87e3ab',
    500: '#40d588',
    950: '#000000',
  },
}

SCSS

$custom: #40d588;
$custom-light: #87e3ab;
$custom-dark: #000000;

JSON

{
  "hex": "#40d588",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 136
  },
  "hsl": {
    "h": 148.993,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.77675,
    "c": 0.16673,
    "h": 156
  },
  "luminance": 0.50456
}

Semantic roles & 50–950 ramp

primary

#40D588

secondary

#86335E

accent

#4197E7

background

#FCFEFD

surface

#F4FCF7

border

#CED5D0

text

#0D1610

muted

#7F8481

Preview Lab

Preview with #40D588

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

Preview Lab → · Contrast checker → · Palette generator →