#40AC66#40AC66

#40AC66 is a light, vivid green. Relative luminance 0.316; OKLCH L 66.5% C 0.143 H 151.9°. Best body text is #000000 at 7.31:1 contrast (WCAG AA passes).

Color values

HEX	#40AC66
RGB	rgb(64, 172, 102)
HSL	hsl(141, 46%, 46%)
HSV	hsv(141, 63%, 67%)
CMYK	cmyk(62.8%, 0%, 40.7%, 32.5%)
CIE-LAB	lab(62.97, -46.69, 27.12)
CIE-LCH	lch(62.97, 54.00, 149.85°)
OKLab	oklab(66.48% -0.1262 0.0674)
OKLCH	oklch(66.48% 0.143 151.9)
XYZ	xyz(19.2636, 31.5524, 17.6428)
Luminance	0.3155 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC66 #AC4086

analogous

#50AC40 #40AC66 #40AC9C

triadic

#40AC66 #6640AC #AC6640

tetradic

#40AC66 #4050AC #AC4086 #AC9C40

square

#40AC66 #4050AC #AC4086 #AC9C40

split-complementary

#40AC66 #9C40AC #AC4050

monochromatic

#1F5331 #2F7F4C #40AC66 #64C586 #91D6A9

Accessibility & contrast

On white

2.87

#40AC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.31

#40AC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC66

7.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC66	#FFFFFF	#000000	##000000
##40AC66	1.00	2.87	7.31	7.31
#FFFFFF	2.87	1.00	21.00	21.00
#000000	7.31	21.00	1.00	1.00
##000000	7.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AC9E61

Deuteranopia (green-blind)

#9E946B

Tritanopia (blue-blind)

#18AA9B

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #40ac66;
/* rgb */ color: rgb(64, 172, 102);
/* oklch */ color: oklch(66.5% 0.143 151.9);

Tailwind

colors: {
  custom: {
    50: '#80c592',
    500: '#40ac66',
    950: '#000000',
  },
}

SCSS

$custom: #40ac66;
$custom-light: #80c592;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac66",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 102
  },
  "hsl": {
    "h": 141.111,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.66481,
    "c": 0.14308,
    "h": 151.9
  },
  "luminance": 0.31554
}

Semantic roles & 50–950 ramp

primary

#40AC66

secondary

#C187AD

accent

#52A7D5

background

#F8FCF9

surface

#EFF8F1

border

#CAD1CB

text

#0B130D

muted

#7C827E

Preview Lab

Preview with #40AC66

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

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