#40AD5B#40AD5B

#40AD5B is a light, vivid green. Relative luminance 0.317; OKLCH L 66.5% C 0.155 H 148.6°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#40AD5B
RGB	rgb(64, 173, 91)
HSL	hsl(135, 46%, 46%)
HSV	hsv(135, 63%, 68%)
CMYK	cmyk(63%, 0%, 47.4%, 32.2%)
CIE-LAB	lab(63.12, -48.96, 33.07)
CIE-LCH	lch(63.12, 59.08, 145.96°)
OKLab	oklab(66.55% -0.1322 0.0807)
OKLCH	oklch(66.55% 0.155 148.6)
XYZ	xyz(18.9449, 31.7306, 15.0217)
Luminance	0.3173 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AD5B #AD4092

analogous

#5CAD40 #40AD5B #40AD92

triadic

#40AD5B #5B40AD #AD5B40

tetradic

#40AD5B #405CAD #AD4092 #AD9240

square

#40AD5B #405CAD #AD4092 #AD9240

split-complementary

#40AD5B #9240AD #AD405C

monochromatic

#1F542C #2F8044 #40AD5B #64C67D #91D6A2

Accessibility & contrast

On white

2.86

#40AD5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#40AD5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AD5B

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AD5B	#FFFFFF	#000000	##000000
##40AD5B	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9F55

Deuteranopia (green-blind)

#A19561

Tritanopia (blue-blind)

#1FAA9A

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #40ad5b;
/* rgb */ color: rgb(64, 173, 91);
/* oklch */ color: oklch(66.5% 0.155 148.6);

Tailwind

colors: {
  custom: {
    50: '#80c68b',
    500: '#40ad5b',
    950: '#000000',
  },
}

SCSS

$custom: #40ad5b;
$custom-light: #80c68b;
$custom-dark: #000000;

JSON

{
  "hex": "#40ad5b",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 91
  },
  "hsl": {
    "h": 134.862,
    "s": 45.992,
    "l": 46.471
  },
  "oklch": {
    "l": 0.66547,
    "c": 0.15491,
    "h": 148.6
  },
  "luminance": 0.31732
}

Semantic roles & 50–950 ramp

primary

#40AD5B

secondary

#C287B3

accent

#52B5D6

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40AD5B

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

Preview Lab → · Contrast checker → · Palette generator →