#40AC55#40AC55

#40AC55 is a light, vivid green. Relative luminance 0.313; OKLCH L 66.2% C 0.159 H 147.2°. Best body text is #000000 at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#40AC55
RGB	rgb(64, 172, 85)
HSL	hsl(132, 46%, 46%)
HSV	hsv(132, 63%, 67%)
CMYK	cmyk(62.8%, 0%, 50.6%, 32.5%)
CIE-LAB	lab(62.72, -49.51, 35.63)
CIE-LCH	lch(62.72, 60.99, 144.26°)
OKLab	oklab(66.19% -0.1337 0.0862)
OKLCH	oklch(66.19% 0.159 147.2)
XYZ	xyz(18.5053, 31.2491, 13.6490)
Luminance	0.3125 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC55 #AC4097

analogous

#61AC40 #40AC55 #40AC8B

triadic

#40AC55 #5540AC #AC5540

tetradic

#40AC55 #4061AC #AC4097 #AC8B40

square

#40AC55 #4061AC #AC4097 #AC8B40

split-complementary

#40AC55 #8B40AC #AC4061

monochromatic

#1F5329 #2F7F3F #40AC55 #64C577 #91D69E

Accessibility & contrast

On white

2.90

#40AC55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.25

#40AC55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC55

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC55	#FFFFFF	#000000	##000000
##40AC55	1.00	2.90	7.25	7.25
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.25	21.00	1.00	1.00
##000000	7.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AE9D4E

Deuteranopia (green-blind)

#A0945B

Tritanopia (blue-blind)

#23A898

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #40ac55;
/* rgb */ color: rgb(64, 172, 85);
/* oklch */ color: oklch(66.2% 0.159 147.2);

Tailwind

colors: {
  custom: {
    50: '#80c686',
    500: '#40ac55',
    950: '#000000',
  },
}

SCSS

$custom: #40ac55;
$custom-light: #80c686;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac55",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 85
  },
  "hsl": {
    "h": 131.667,
    "s": 45.763,
    "l": 46.275
  },
  "oklch": {
    "l": 0.66189,
    "c": 0.15913,
    "h": 147.2
  },
  "luminance": 0.31251
}

Semantic roles & 50–950 ramp

primary

#40AC55

secondary

#C187B6

accent

#52BCD5

background

#F8FCF8

surface

#EFF8EF

border

#CAD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #40AC55

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

Preview Lab → · Contrast checker → · Palette generator →