#40AF5E#40AF5E

#40AF5E is a light, vivid green. Relative luminance 0.326; OKLCH L 67.1% C 0.155 H 149.2°. Best body text is #000000 at 7.51:1 contrast (WCAG AA passes).

Color values

HEX	#40AF5E
RGB	rgb(64, 175, 94)
HSL	hsl(136, 46%, 47%)
HSV	hsv(136, 63%, 69%)
CMYK	cmyk(63.4%, 0%, 46.3%, 31.4%)
CIE-LAB	lab(63.80, -49.25, 32.39)
CIE-LCH	lch(63.80, 58.95, 146.67°)
OKLab	oklab(67.12% -0.133 0.0793)
OKLCH	oklch(67.12% 0.155 149.2)
XYZ	xyz(19.4633, 32.5561, 15.8458)
Luminance	0.3256 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AF5E #AF4091

analogous

#5AAF40 #40AF5E #40AF96

triadic

#40AF5E #5E40AF #AF5E40

tetradic

#40AF5E #405AAF #AF4091 #AF9640

square

#40AF5E #405AAF #AF4091 #AF9640

split-complementary

#40AF5E #9640AF #AF405A

monochromatic

#1F552E #308246 #40AF5E #65C780 #92D7A5

Accessibility & contrast

On white

2.80

#40AF5E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.51

#40AF5E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AF5E

7.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AF5E	#FFFFFF	#000000	##000000
##40AF5E	1.00	2.80	7.51	7.51
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.51	21.00	1.00	1.00
##000000	7.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B0A158

Deuteranopia (green-blind)

#A29764

Tritanopia (blue-blind)

#1CAC9C

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40af5e;
/* rgb */ color: rgb(64, 175, 94);
/* oklch */ color: oklch(67.1% 0.155 149.2);

Tailwind

colors: {
  custom: {
    50: '#81c88d',
    500: '#40af5e',
    950: '#000000',
  },
}

SCSS

$custom: #40af5e;
$custom-light: #81c88d;
$custom-dark: #000000;

JSON

{
  "hex": "#40af5e",
  "rgb": {
    "r": 64,
    "g": 175,
    "b": 94
  },
  "hsl": {
    "h": 136.216,
    "s": 46.444,
    "l": 46.863
  },
  "oklch": {
    "l": 0.67122,
    "c": 0.15483,
    "h": 149.2
  },
  "luminance": 0.32558
}

Semantic roles & 50–950 ramp

primary

#40AF5E

secondary

#C388B3

accent

#52B2D6

background

#F8FCF8

surface

#EFF8F0

border

#CAD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40AF5E

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

Preview Lab → · Contrast checker → · Palette generator →