#A4C840#A4C840

#A4C840 is a light, vivid yellow-green. Relative luminance 0.496; OKLCH L 78.1% C 0.165 H 123.1°. Best body text is #000000 at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#A4C840
RGB	rgb(164, 200, 64)
HSL	hsl(76, 55%, 52%)
HSV	hsv(76, 68%, 78%)
CMYK	cmyk(18%, 0%, 68%, 21.6%)
CIE-LAB	lab(75.81, -30.99, 61.15)
CIE-LCH	lch(75.81, 68.55, 116.88°)
OKLab	oklab(78.08% -0.0899 0.138)
OKLCH	oklch(78.08% 0.165 123.1)
XYZ	xyz(36.8899, 49.5710, 12.4742)
Luminance	0.4957 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4C840 #6440C8

analogous

#C8A840 #A4C840 #60C840

triadic

#A4C840 #40A4C8 #C840A4

tetradic

#A4C840 #40C8A8 #6440C8 #C84060

square

#A4C840 #40C8A8 #6440C8 #C84060

split-complementary

#A4C840 #4060C8 #A840C8

monochromatic

#596E20 #809D2D #A4C840 #BBD670 #D1E39F

Accessibility & contrast

On white

1.92

#A4C840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.91

#A4C840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4C840

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4C840	#FFFFFF	#000000	##000000
##A4C840	1.00	1.92	10.91	10.91
#FFFFFF	1.92	1.00	21.00	21.00
#000000	10.91	21.00	1.00	1.00
##000000	10.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BC2C

Deuteranopia (green-blind)

#CFBB4B

Tritanopia (blue-blind)

#ACBEAD

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #a4c840;
/* rgb */ color: rgb(164, 200, 64);
/* oklch */ color: oklch(78.1% 0.165 123.1);

Tailwind

colors: {
  custom: {
    50: '#c2d87c',
    500: '#a4c840',
    950: '#000000',
  },
}

SCSS

$custom: #a4c840;
$custom-light: #c2d87c;
$custom-dark: #000000;

JSON

{
  "hex": "#a4c840",
  "rgb": {
    "r": 164,
    "g": 200,
    "b": 64
  },
  "hsl": {
    "h": 75.882,
    "s": 55.285,
    "l": 51.765
  },
  "oklch": {
    "l": 0.78084,
    "c": 0.16466,
    "h": 123.1
  },
  "luminance": 0.49571
}

Semantic roles & 50–950 ramp

primary

#A4C840

secondary

#A494D0

accent

#49DF71

background

#FCFDF7

surface

#F8FAEE

border

#D1D3C9

text

#13140A

muted

#82837C

Preview Lab

Preview with #A4C840

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

Preview Lab → · Contrast checker → · Palette generator →