#40AD3F#40AD3F

#40AD3F is a light, vivid green. Relative luminance 0.313; OKLCH L 66.2% C 0.179 H 143.1°. Best body text is #000000 at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#40AD3F
RGB	rgb(64, 173, 63)
HSL	hsl(119, 47%, 46%)
HSV	hsv(119, 64%, 68%)
CMYK	cmyk(63%, 0%, 63.6%, 32.2%)
CIE-LAB	lab(62.79, -52.72, 46.20)
CIE-LCH	lch(62.79, 70.10, 138.77°)
OKLab	oklab(66.17% -0.1432 0.1076)
OKLCH	oklch(66.17% 0.179 143.1)
XYZ	xyz(17.9541, 31.3343, 9.8036)
Luminance	0.3134 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AD3F #AC3FAD

analogous

#77AD3F #40AD3F #3FAD75

triadic

#40AD3F #3F40AD #AD3F40

tetradic

#40AD3F #3F77AD #AC3FAD #AD753F

square

#40AD3F #3F77AD #AC3FAD #AD753F

split-complementary

#40AD3F #753FAD #AD3F77

monochromatic

#1F531E #2F802F #40AD3F #64C663 #91D790

Accessibility & contrast

On white

2.89

#40AD3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.27

#40AD3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AD3F

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AD3F	#FFFFFF	#000000	##000000
##40AD3F	1.00	2.89	7.27	7.27
#FFFFFF	2.89	1.00	21.00	21.00
#000000	7.27	21.00	1.00	1.00
##000000	7.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19D32

Deuteranopia (green-blind)

#A39448

Tritanopia (blue-blind)

#2AA896

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #40ad3f;
/* rgb */ color: rgb(64, 173, 63);
/* oklch */ color: oklch(66.2% 0.179 143.1);

Tailwind

colors: {
  custom: {
    50: '#82c678',
    500: '#40ad3f',
    950: '#000000',
  },
}

SCSS

$custom: #40ad3f;
$custom-light: #82c678;
$custom-dark: #000000;

JSON

{
  "hex": "#40ad3f",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 63
  },
  "hsl": {
    "h": 119.455,
    "s": 46.61,
    "l": 46.275
  },
  "oklch": {
    "l": 0.66167,
    "c": 0.17916,
    "h": 143.1
  },
  "luminance": 0.31336
}

Semantic roles & 50–950 ramp

primary

#40AD3F

secondary

#C186C2

accent

#52D6D5

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40AD3F

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

Preview Lab → · Contrast checker → · Palette generator →