#A3CA15#A3CA15

#A3CA15 is a light, vivid yellow-green. Relative luminance 0.501; OKLCH L 78.3% C 0.187 H 122.7°. Best body text is #000000 at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#A3CA15
RGB	rgb(163, 202, 21)
HSL	hsl(73, 81%, 44%)
HSV	hsv(73, 90%, 79%)
CMYK	cmyk(19.3%, 0%, 89.6%, 20.8%)
CIE-LAB	lab(76.12, -34.10, 73.48)
CIE-LCH	lch(76.12, 81.01, 114.89°)
OKLab	oklab(78.26% -0.1013 0.1576)
OKLCH	oklch(78.26% 0.187 122.7)
XYZ	xyz(36.3608, 50.0816, 8.4604)
Luminance	0.5008 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CA15 #3C15CA

analogous

#CA9615 #A3CA15 #48CA15

triadic

#A3CA15 #15A3CA #CA15A3

tetradic

#A3CA15 #15CA96 #3C15CA #CA1548

square

#A3CA15 #15CA96 #3C15CA #CA1548

split-complementary

#A3CA15 #1548CA #9615CA

monochromatic

#4A5B09 #76930F #A3CA15 #C2EA32 #D3EF6A

Accessibility & contrast

On white

1.91

#A3CA15 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.02

#A3CA15 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CA15

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CA15	#FFFFFF	#000000	##000000
##A3CA15	1.00	1.91	11.02	11.02
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.02	21.00	1.00	1.00
##000000	11.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD00

Deuteranopia (green-blind)

#D2BC2F

Tritanopia (blue-blind)

#ACBFAC

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a3ca15;
/* rgb */ color: rgb(163, 202, 21);
/* oklch */ color: oklch(78.3% 0.187 122.7);

Tailwind

colors: {
  custom: {
    50: '#c3da6b',
    500: '#a3ca15',
    950: '#000000',
  },
}

SCSS

$custom: #a3ca15;
$custom-light: #c3da6b;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ca15",
  "rgb": {
    "r": 163,
    "g": 202,
    "b": 21
  },
  "hsl": {
    "h": 72.928,
    "s": 81.166,
    "l": 43.725
  },
  "oklch": {
    "l": 0.78259,
    "c": 0.1873,
    "h": 122.7
  },
  "luminance": 0.50082
}

Semantic roles & 50–950 ramp

primary

#A3CA15

secondary

#2C1C67

accent

#30F85B

background

#FEFEFB

surface

#FAFBF1

border

#D3D4CB

text

#131408

muted

#83837D

Preview Lab

Preview with #A3CA15

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

Preview Lab → · Contrast checker → · Palette generator →