#A4C640#A4C640

#A4C640 is a light, vivid yellow-green. Relative luminance 0.487; OKLCH L 77.6% C 0.162 H 122.6°. Best body text is #000000 at 10.73:1 contrast (WCAG AA passes).

Color values

HEX	#A4C640
RGB	rgb(164, 198, 64)
HSL	hsl(75, 54%, 51%)
HSV	hsv(75, 68%, 78%)
CMYK	cmyk(17.2%, 0%, 67.7%, 22.4%)
CIE-LAB	lab(75.23, -30.05, 60.56)
CIE-LCH	lch(75.23, 67.61, 116.39°)
OKLab	oklab(77.62% -0.0873 0.1367)
OKLCH	oklch(77.62% 0.162 122.6)
XYZ	xyz(36.4298, 48.6507, 12.3208)
Luminance	0.4865 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4C640 #6240C6

analogous

#C6A540 #A4C640 #61C640

triadic

#A4C640 #40A4C6 #C640A4

tetradic

#A4C640 #40C6A5 #6240C6 #C64061

square

#A4C640 #40C6A5 #6240C6 #C64061

split-complementary

#A4C640 #4061C6 #A540C6

monochromatic

#586C20 #7F9B2E #A4C640 #BAD46F #D1E29E

Accessibility & contrast

On white

1.96

#A4C640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.73

#A4C640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4C640

10.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4C640	#FFFFFF	#000000	##000000
##A4C640	1.00	1.96	10.73	10.73
#FFFFFF	1.96	1.00	21.00	21.00
#000000	10.73	21.00	1.00	1.00
##000000	10.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA2C

Deuteranopia (green-blind)

#CDB94B

Tritanopia (blue-blind)

#ACBCAB

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #a4c640;
/* rgb */ color: rgb(164, 198, 64);
/* oklch */ color: oklch(77.6% 0.162 122.6);

Tailwind

colors: {
  custom: {
    50: '#c2d77c',
    500: '#a4c640',
    950: '#000000',
  },
}

SCSS

$custom: #a4c640;
$custom-light: #c2d77c;
$custom-dark: #000000;

JSON

{
  "hex": "#a4c640",
  "rgb": {
    "r": 164,
    "g": 198,
    "b": 64
  },
  "hsl": {
    "h": 75.224,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.77622,
    "c": 0.16221,
    "h": 122.6
  },
  "luminance": 0.48651
}

Semantic roles & 50–950 ramp

primary

#A4C640

secondary

#A293CE

accent

#4ADD70

background

#FCFDF7

surface

#F8FAEE

border

#D1D3C9

text

#13140A

muted

#82837C

Preview Lab

Preview with #A4C640

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

Preview Lab → · Contrast checker → · Palette generator →