#40A528#40A528

#40A528 is a light, vivid green. Relative luminance 0.282; OKLCH L 63.8% C 0.185 H 140.3°. Best body text is #000000 at 6.63:1 contrast (WCAG AA passes).

Color values

HEX	#40A528
RGB	rgb(64, 165, 40)
HSL	hsl(108, 61%, 40%)
HSV	hsv(108, 76%, 65%)
CMYK	cmyk(61.2%, 0%, 75.8%, 35.3%)
CIE-LAB	lab(60.03, -51.90, 52.51)
CIE-LCH	lch(60.03, 73.83, 134.66°)
OKLab	oklab(63.83% -0.1423 0.1181)
OKLCH	oklch(63.83% 0.185 140.3)
XYZ	xyz(15.9517, 28.1520, 6.6003)
Luminance	0.2815 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A528 #8D28A5

analogous

#7EA528 #40A528 #28A54E

triadic

#40A528 #2840A5 #A52840

tetradic

#40A528 #287EA5 #8D28A5 #A54E28

square

#40A528 #287EA5 #8D28A5 #A54E28

split-complementary

#40A528 #4E28A5 #A5287E

monochromatic

#1A4210 #2D741C #40A528 #57CF3B #81DB6C

Accessibility & contrast

On white

3.17

#40A528 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.63

#40A528 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A528

6.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A528	#FFFFFF	#000000	##000000
##40A528	1.00	3.17	6.63	6.63
#FFFFFF	3.17	1.00	21.00	21.00
#000000	6.63	21.00	1.00	1.00
##000000	6.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AA960D

Deuteranopia (green-blind)

#9D8D35

Tritanopia (blue-blind)

#32A08D

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #40a528;
/* rgb */ color: rgb(64, 165, 40);
/* oklch */ color: oklch(63.8% 0.185 140.3);

Tailwind

colors: {
  custom: {
    50: '#81c16b',
    500: '#40a528',
    950: '#000000',
  },
}

SCSS

$custom: #40a528;
$custom-light: #81c16b;
$custom-dark: #000000;

JSON

{
  "hex": "#40a528",
  "rgb": {
    "r": 64,
    "g": 165,
    "b": 40
  },
  "hsl": {
    "h": 108.48,
    "s": 60.976,
    "l": 40.196
  },
  "oklch": {
    "l": 0.63826,
    "c": 0.18489,
    "h": 140.3
  },
  "luminance": 0.28153
}

Semantic roles & 50–950 ramp

primary

#40A528

secondary

#B067C2

accent

#44E4C5

background

#F8FBF6

surface

#F0F7EC

border

#CBD0C7

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #40A528

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

Preview Lab → · Contrast checker → · Palette generator →