#40D651#40D651

#40D651 is a light, highly saturated green. Relative luminance 0.498; OKLCH L 77.1% C 0.215 H 144.8°. Best body text is #000000 at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#40D651
RGB	rgb(64, 214, 81)
HSL	hsl(127, 65%, 55%)
HSV	hsv(127, 70%, 84%)
CMYK	cmyk(70.1%, 0%, 62.1%, 16.1%)
CIE-LAB	lab(75.93, -64.97, 53.11)
CIE-LCH	lch(75.93, 83.92, 140.74°)
OKLab	oklab(77.1% -0.1756 0.1241)
OKLCH	oklch(77.1% 0.215 144.8)
XYZ	xyz(27.6443, 49.7742, 15.9335)
Luminance	0.4978 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D651 #D640C5

analogous

#7AD640 #40D651 #40D69C

triadic

#40D651 #5140D6 #D65140

tetradic

#40D651 #407AD6 #D640C5 #D69C40

square

#40D651 #407AD6 #D640C5 #D69C40

split-complementary

#40D651 #9C40D6 #D6407A

monochromatic

#1B8027 #26B236 #40D651 #72E17F #A5ECAD

Accessibility & contrast

On white

1.92

#40D651 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.96

#40D651 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D651

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D651	#FFFFFF	#000000	##000000
##40D651	1.00	1.92	10.96	10.96
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.96	21.00	1.00	1.00
##000000	10.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC342

Deuteranopia (green-blind)

#C8B65C

Tritanopia (blue-blind)

#00D0BA

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #40d651;
/* rgb */ color: rgb(64, 214, 81);
/* oklch */ color: oklch(77.1% 0.215 144.8);

Tailwind

colors: {
  custom: {
    50: '#89e487',
    500: '#40d651',
    950: '#000000',
  },
}

SCSS

$custom: #40d651;
$custom-light: #89e487;
$custom-dark: #000000;

JSON

{
  "hex": "#40d651",
  "rgb": {
    "r": 64,
    "g": 214,
    "b": 81
  },
  "hsl": {
    "h": 126.8,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.77096,
    "c": 0.21506,
    "h": 144.8
  },
  "luminance": 0.49777
}

Semantic roles & 50–950 ramp

primary

#40D651

secondary

#D999D1

accent

#40D5E8

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160C

muted

#7E847D

Preview Lab

Preview with #40D651

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

Preview Lab → · Contrast checker → · Palette generator →