#40AF3F#40AF3F

#40AF3F is a light, vivid green. Relative luminance 0.321; OKLCH L 66.7% C 0.182 H 143.1°. Best body text is #000000 at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#40AF3F
RGB	rgb(64, 175, 63)
HSL	hsl(119, 47%, 47%)
HSV	hsv(119, 64%, 69%)
CMYK	cmyk(63.4%, 0%, 64%, 31.4%)
CIE-LAB	lab(63.43, -53.44, 46.92)
CIE-LCH	lch(63.43, 71.12, 138.72°)
OKLab	oklab(66.7% -0.1452 0.1091)
OKLCH	oklch(66.7% 0.182 143.1)
XYZ	xyz(18.3405, 32.1070, 9.9324)
Luminance	0.3211 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AF3F #AE3FAF

analogous

#78AF3F #40AF3F #3FAF76

triadic

#40AF3F #3F40AF #AF3F40

tetradic

#40AF3F #3F78AF #AE3FAF #AF763F

square

#40AF3F #3F78AF #AE3FAF #AF763F

split-complementary

#40AF3F #763FAF #AF3F78

monochromatic

#1F551F #30822F #40AF3F #65C764 #92D791

Accessibility & contrast

On white

2.83

#40AF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.42

#40AF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AF3F

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AF3F	#FFFFFF	#000000	##000000
##40AF3F	1.00	2.83	7.42	7.42
#FFFFFF	2.83	1.00	21.00	21.00
#000000	7.42	21.00	1.00	1.00
##000000	7.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39F32

Deuteranopia (green-blind)

#A59649

Tritanopia (blue-blind)

#29AA98

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40af3f;
/* rgb */ color: rgb(64, 175, 63);
/* oklch */ color: oklch(66.7% 0.182 143.1);

Tailwind

colors: {
  custom: {
    50: '#82c879',
    500: '#40af3f',
    950: '#000000',
  },
}

SCSS

$custom: #40af3f;
$custom-light: #82c879;
$custom-dark: #000000;

JSON

{
  "hex": "#40af3f",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 63
  },
  "hsl": {
    "h": 119.464,
    "s": 47.059,
    "l": 46.667
  },
  "oklch": {
    "l": 0.66698,
    "c": 0.18165,
    "h": 143.1
  },
  "luminance": 0.32109
}

Semantic roles & 50–950 ramp

primary

#40AF3F

secondary

#C287C3

accent

#51D7D5

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40AF3F

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

Preview Lab → · Contrast checker → · Palette generator →