#A3CA40#A3CA40

#A3CA40 is a light, vivid yellow-green. Relative luminance 0.504; OKLCH L 78.5% C 0.168 H 123.9°. Best body text is #000000 at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#A3CA40
RGB	rgb(163, 202, 64)
HSL	hsl(77, 57%, 52%)
HSV	hsv(77, 68%, 79%)
CMYK	cmyk(19.3%, 0%, 68.3%, 20.8%)
CIE-LAB	lab(76.31, -32.32, 61.65)
CIE-LCH	lch(76.31, 69.61, 117.67°)
OKLab	oklab(78.48% -0.0935 0.139)
OKLCH	oklch(78.48% 0.168 123.9)
XYZ	xyz(37.1505, 50.3975, 12.6200)
Luminance	0.5040 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CA40 #6740CA

analogous

#CAAC40 #A3CA40 #5ECA40

triadic

#A3CA40 #40A3CA #CA40A3

tetradic

#A3CA40 #40CAAC #6740CA #CA405E

square

#A3CA40 #40CAAC #6740CA #CA405E

split-complementary

#A3CA40 #405ECA #AC40CA

monochromatic

#59701F #80A02C #A3CA40 #BAD770 #D1E5A0

Accessibility & contrast

On white

1.90

#A3CA40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.08

#A3CA40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CA40

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CA40	#FFFFFF	#000000	##000000
##A3CA40	1.00	1.90	11.08	11.08
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.08	21.00	1.00	1.00
##000000	11.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD2B

Deuteranopia (green-blind)

#D0BC4B

Tritanopia (blue-blind)

#ABC0AE

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a3ca40;
/* rgb */ color: rgb(163, 202, 64);
/* oklch */ color: oklch(78.5% 0.168 123.9);

Tailwind

colors: {
  custom: {
    50: '#c2da7d',
    500: '#a3ca40',
    950: '#000000',
  },
}

SCSS

$custom: #a3ca40;
$custom-light: #c2da7d;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ca40",
  "rgb": {
    "r": 163,
    "g": 202,
    "b": 64
  },
  "hsl": {
    "h": 76.957,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.78477,
    "c": 0.16753,
    "h": 123.9
  },
  "luminance": 0.50398
}

Semantic roles & 50–950 ramp

primary

#A3CA40

secondary

#48357A

accent

#48E073

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#13140A

muted

#82837D

Preview Lab

Preview with #A3CA40

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

Preview Lab → · Contrast checker → · Palette generator →