#A3C539#A3C539

#A3C539 is a light, vivid yellow-green. Relative luminance 0.480; OKLCH L 77.3% C 0.166 H 122.3°. Best body text is #000000 at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#A3C539
RGB	rgb(163, 197, 57)
HSL	hsl(75, 55%, 50%)
HSV	hsv(75, 71%, 77%)
CMYK	cmyk(17.3%, 0%, 71.1%, 22.7%)
CIE-LAB	lab(74.83, -30.40, 62.76)
CIE-LCH	lch(74.83, 69.73, 115.85°)
OKLab	oklab(77.27% -0.0888 0.1403)
OKLCH	oklch(77.27% 0.166 122.3)
XYZ	xyz(35.8095, 48.0143, 11.2513)
Luminance	0.4801 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3C539 #5B39C5

analogous

#C5A139 #A3C539 #5DC539

triadic

#A3C539 #39A3C5 #C539A3

tetradic

#A3C539 #39C5A1 #5B39C5 #C5395D

square

#A3C539 #39C5A1 #5B39C5 #C5395D

split-complementary

#A3C539 #395DC5 #A139C5

monochromatic

#54661E #7C962B #A3C539 #B9D368 #CFE197

Accessibility & contrast

On white

1.98

#A3C539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.60

#A3C539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3C539

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3C539	#FFFFFF	#000000	##000000
##A3C539	1.00	1.98	10.60	10.60
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.60	21.00	1.00	1.00
##000000	10.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B920

Deuteranopia (green-blind)

#CCB845

Tritanopia (blue-blind)

#ABBBAA

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #a3c539;
/* rgb */ color: rgb(163, 197, 57);
/* oklch */ color: oklch(77.3% 0.166 122.3);

Tailwind

colors: {
  custom: {
    50: '#c2d678',
    500: '#a3c539',
    950: '#000000',
  },
}

SCSS

$custom: #a3c539;
$custom-light: #c2d678;
$custom-dark: #000000;

JSON

{
  "hex": "#a3c539",
  "rgb": {
    "r": 163,
    "g": 197,
    "b": 57
  },
  "hsl": {
    "h": 74.571,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.77268,
    "c": 0.16604,
    "h": 122.3
  },
  "luminance": 0.48014
}

Semantic roles & 50–950 ramp

primary

#A3C539

secondary

#9D8DCD

accent

#49DE6E

background

#FCFDF7

surface

#F8FAEE

border

#D1D3C9

text

#131409

muted

#82837B

Preview Lab

Preview with #A3C539

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

Preview Lab → · Contrast checker → · Palette generator →