#40D457#40D457

#40D457 is a light, highly saturated green. Relative luminance 0.489; OKLCH L 76.6% C 0.208 H 145.6°. Best body text is #000000 at 10.77:1 contrast (WCAG AA passes).

Color values

HEX	#40D457
RGB	rgb(64, 212, 87)
HSL	hsl(129, 63%, 54%)
HSV	hsv(129, 70%, 83%)
CMYK	cmyk(69.8%, 0%, 59%, 16.9%)
CIE-LAB	lab(75.37, -63.61, 49.82)
CIE-LCH	lch(75.37, 80.80, 141.93°)
OKLab	oklab(76.65% -0.1717 0.1176)
OKLCH	oklch(76.65% 0.208 145.6)
XYZ	xyz(27.3763, 48.8621, 17.0035)
Luminance	0.4886 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D457 #D440BD

analogous

#73D440 #40D457 #40D4A1

triadic

#40D457 #5740D4 #D45740

tetradic

#40D457 #4073D4 #D440BD #D4A140

square

#40D457 #4073D4 #D440BD #D4A140

split-complementary

#40D457 #A140D4 #D44073

monochromatic

#1C7D2B #27AF3D #40D457 #72DF83 #A4EAAF

Accessibility & contrast

On white

1.95

#40D457 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.77

#40D457 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D457

10.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D457	#FFFFFF	#000000	##000000
##40D457	1.00	1.95	10.77	10.77
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.77	21.00	1.00	1.00
##000000	10.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C14A

Deuteranopia (green-blind)

#C6B561

Tritanopia (blue-blind)

#00CFB9

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #40d457;
/* rgb */ color: rgb(64, 212, 87);
/* oklch */ color: oklch(76.6% 0.208 145.6);

Tailwind

colors: {
  custom: {
    50: '#88e28a',
    500: '#40d457',
    950: '#000000',
  },
}

SCSS

$custom: #40d457;
$custom-light: #88e28a;
$custom-dark: #000000;

JSON

{
  "hex": "#40d457",
  "rgb": {
    "r": 64,
    "g": 212,
    "b": 87
  },
  "hsl": {
    "h": 129.324,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.76647,
    "c": 0.20812,
    "h": 145.6
  },
  "luminance": 0.48865
}

Semantic roles & 50–950 ramp

primary

#40D457

secondary

#D798CE

accent

#42CDE6

background

#F9FEF8

surface

#F1FCF0

border

#CBD5CB

text

#0D160C

muted

#7E847D

Preview Lab

Preview with #40D457

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

Preview Lab → · Contrast checker → · Palette generator →