#40AC4E#40AC4E

#40AC4E is a light, vivid green. Relative luminance 0.311; OKLCH L 66.1% C 0.165 H 145.7°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#40AC4E
RGB	rgb(64, 172, 78)
HSL	hsl(128, 46%, 46%)
HSV	hsv(128, 63%, 67%)
CMYK	cmyk(62.8%, 0%, 54.7%, 32.5%)
CIE-LAB	lab(62.63, -50.51, 39.00)
CIE-LCH	lch(62.63, 63.81, 142.33°)
OKLab	oklab(66.09% -0.1366 0.0933)
OKLCH	oklch(66.09% 0.165 145.7)
XYZ	xyz(18.2408, 31.1433, 12.2562)
Luminance	0.3115 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC4E #AC409E

analogous

#68AC40 #40AC4E #40AC84

triadic

#40AC4E #4E40AC #AC4E40

tetradic

#40AC4E #4068AC #AC409E #AC8440

square

#40AC4E #4068AC #AC409E #AC8440

split-complementary

#40AC4E #8440AC #AC4068

monochromatic

#1F5326 #2F7F3A #40AC4E #64C571 #91D69A

Accessibility & contrast

On white

2.90

#40AC4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#40AC4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC4E

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC4E	#FFFFFF	#000000	##000000
##40AC4E	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9D45

Deuteranopia (green-blind)

#A19455

Tritanopia (blue-blind)

#26A897

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40ac4e;
/* rgb */ color: rgb(64, 172, 78);
/* oklch */ color: oklch(66.1% 0.165 145.7);

Tailwind

colors: {
  custom: {
    50: '#81c682',
    500: '#40ac4e',
    950: '#000000',
  },
}

SCSS

$custom: #40ac4e;
$custom-light: #81c682;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac4e",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 78
  },
  "hsl": {
    "h": 127.778,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.66087,
    "c": 0.16545,
    "h": 145.7
  },
  "luminance": 0.31145
}

Semantic roles & 50–950 ramp

primary

#40AC4E

secondary

#C187BA

accent

#52C4D5

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130A

muted

#7C827C

Preview Lab

Preview with #40AC4E

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

Preview Lab → · Contrast checker → · Palette generator →