#40D151#40D151

#40D151 is a light, highly saturated green. Relative luminance 0.473; OKLCH L 75.8% C 0.209 H 144.9°. Best body text is #000000 at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#40D151
RGB	rgb(64, 209, 81)
HSL	hsl(127, 61%, 54%)
HSV	hsv(127, 69%, 82%)
CMYK	cmyk(69.4%, 0%, 61.2%, 18%)
CIE-LAB	lab(74.37, -63.30, 51.34)
CIE-LCH	lch(74.37, 81.50, 140.96°)
OKLab	oklab(75.8% -0.1711 0.1203)
OKLCH	oklch(75.8% 0.209 144.9)
XYZ	xyz(26.3983, 47.2821, 15.5181)
Luminance	0.4728 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D151 #D140C0

analogous

#78D140 #40D151 #40D199

triadic

#40D151 #5140D1 #D15140

tetradic

#40D151 #4078D1 #D140C0 #D19940

square

#40D151 #4078D1 #D140C0 #D19940

split-complementary

#40D151 #9940D1 #D14078

monochromatic

#1D7928 #29AB38 #40D151 #71DD7E #A3E9AB

Accessibility & contrast

On white

2.01

#40D151 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.46

#40D151 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D151

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D151	#FFFFFF	#000000	##000000
##40D151	1.00	2.01	10.46	10.46
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.46	21.00	1.00	1.00
##000000	10.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BE43

Deuteranopia (green-blind)

#C3B25C

Tritanopia (blue-blind)

#02CCB6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #40d151;
/* rgb */ color: rgb(64, 209, 81);
/* oklch */ color: oklch(75.8% 0.209 144.9);

Tailwind

colors: {
  custom: {
    50: '#88e086',
    500: '#40d151',
    950: '#000000',
  },
}

SCSS

$custom: #40d151;
$custom-light: #88e086;
$custom-dark: #000000;

JSON

{
  "hex": "#40d151",
  "rgb": {
    "r": 64,
    "g": 209,
    "b": 81
  },
  "hsl": {
    "h": 127.034,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.75803,
    "c": 0.20917,
    "h": 144.9
  },
  "luminance": 0.47285
}

Semantic roles & 50–950 ramp

primary

#40D151

secondary

#D597CE

accent

#44D1E4

background

#F9FDF8

surface

#F1FBF0

border

#CBD4CB

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #40D151

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

Preview Lab → · Contrast checker → · Palette generator →