#A3CA38#A3CA38

#A3CA38 is a light, vivid yellow-green. Relative luminance 0.503; OKLCH L 78.4% C 0.173 H 123.6°. Best body text is #000000 at 11.06:1 contrast (WCAG AA passes).

Color values

HEX	#A3CA38
RGB	rgb(163, 202, 56)
HSL	hsl(76, 58%, 51%)
HSV	hsv(76, 72%, 79%)
CMYK	cmyk(19.3%, 0%, 72.3%, 20.8%)
CIE-LAB	lab(76.26, -32.79, 64.52)
CIE-LCH	lch(76.26, 72.37, 116.94°)
OKLab	oklab(78.42% -0.0955 0.1438)
OKLCH	oklch(78.42% 0.173 123.6)
XYZ	xyz(36.9390, 50.3129, 11.5059)
Luminance	0.5031 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3CA38 #5F38CA

analogous

#CAA838 #A3CA38 #5ACA38

triadic

#A3CA38 #38A3CA #CA38A3

tetradic

#A3CA38 #38CAA8 #5F38CA #CA385A

square

#A3CA38 #38CAA8 #5F38CA #CA385A

split-complementary

#A3CA38 #385ACA #A838CA

monochromatic

#566B1D #7D9B29 #A3CA38 #B9D768 #D0E499

Accessibility & contrast

On white

1.90

#A3CA38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.06

#A3CA38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3CA38

11.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3CA38	#FFFFFF	#000000	##000000
##A3CA38	1.00	1.90	11.06	11.06
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.06	21.00	1.00	1.00
##000000	11.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BD1C

Deuteranopia (green-blind)

#D0BC45

Tritanopia (blue-blind)

#ABC0AE

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a3ca38;
/* rgb */ color: rgb(163, 202, 56);
/* oklch */ color: oklch(78.4% 0.173 123.6);

Tailwind

colors: {
  custom: {
    50: '#c2da78',
    500: '#a3ca38',
    950: '#000000',
  },
}

SCSS

$custom: #a3ca38;
$custom-light: #c2da78;
$custom-dark: #000000;

JSON

{
  "hex": "#a3ca38",
  "rgb": {
    "r": 163,
    "g": 202,
    "b": 56
  },
  "hsl": {
    "h": 76.027,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.78419,
    "c": 0.17263,
    "h": 123.6
  },
  "luminance": 0.50313
}

Semantic roles & 50–950 ramp

primary

#A3CA38

secondary

#433175

accent

#47E170

background

#FDFEFB

surface

#F9FBF1

border

#D2D4CB

text

#13140A

muted

#82837D

Preview Lab

Preview with #A3CA38

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

Preview Lab → · Contrast checker → · Palette generator →