#40D551#40D551

#40D551 is a light, highly saturated green. Relative luminance 0.493; OKLCH L 76.8% C 0.214 H 144.8°. Best body text is #000000 at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#40D551
RGB	rgb(64, 213, 81)
HSL	hsl(127, 64%, 54%)
HSV	hsv(127, 70%, 84%)
CMYK	cmyk(70%, 0%, 62%, 16.5%)
CIE-LAB	lab(75.62, -64.64, 52.76)
CIE-LCH	lch(75.62, 83.44, 140.78°)
OKLab	oklab(76.84% -0.1747 0.1233)
OKLCH	oklch(76.84% 0.214 144.8)
XYZ	xyz(27.3920, 49.2696, 15.8494)
Luminance	0.4927 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D551 #D540C4

analogous

#7AD540 #40D551 #40D59C

triadic

#40D551 #5140D5 #D55140

tetradic

#40D551 #407AD5 #D540C4 #D59C40

square

#40D551 #407AD5 #D540C4 #D59C40

split-complementary

#40D551 #9C40D5 #D5407A

monochromatic

#1C7F27 #27B137 #40D551 #72E07F #A4EBAC

Accessibility & contrast

On white

1.93

#40D551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.85

#40D551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D551

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D551	#FFFFFF	#000000	##000000
##40D551	1.00	1.93	10.85	10.85
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.85	21.00	1.00	1.00
##000000	10.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C242

Deuteranopia (green-blind)

#C7B65C

Tritanopia (blue-blind)

#00D0B9

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d551;
/* rgb */ color: rgb(64, 213, 81);
/* oklch */ color: oklch(76.8% 0.214 144.8);

Tailwind

colors: {
  custom: {
    50: '#89e387',
    500: '#40d551',
    950: '#000000',
  },
}

SCSS

$custom: #40d551;
$custom-light: #89e387;
$custom-dark: #000000;

JSON

{
  "hex": "#40d551",
  "rgb": {
    "r": 64,
    "g": 213,
    "b": 81
  },
  "hsl": {
    "h": 126.846,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.76837,
    "c": 0.21389,
    "h": 144.8
  },
  "luminance": 0.49273
}

Semantic roles & 50–950 ramp

primary

#40D551

secondary

#D899D1

accent

#41D4E7

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160B

muted

#7E847C

Preview Lab

Preview with #40D551

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

Preview Lab → · Contrast checker → · Palette generator →