#A4C539#A4C539

#A4C539 is a light, vivid yellow-green. Relative luminance 0.481; OKLCH L 77.3% C 0.166 H 122.0°. Best body text is #000000 at 10.62:1 contrast (WCAG AA passes).

Color values

HEX	#A4C539
RGB	rgb(164, 197, 57)
HSL	hsl(74, 55%, 50%)
HSV	hsv(74, 71%, 77%)
CMYK	cmyk(16.8%, 0%, 71.1%, 22.7%)
CIE-LAB	lab(74.90, -30.00, 62.85)
CIE-LCH	lch(74.90, 69.64, 115.52°)
OKLab	oklab(77.34% -0.0878 0.1404)
OKLCH	oklch(77.34% 0.166 122)
XYZ	xyz(36.0151, 48.1204, 11.2609)
Luminance	0.4812 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4C539 #5A39C5

analogous

#C5A039 #A4C539 #5EC539

triadic

#A4C539 #39A4C5 #C539A4

tetradic

#A4C539 #39C5A0 #5A39C5 #C5395E

square

#A4C539 #39C5A0 #5A39C5 #C5395E

split-complementary

#A4C539 #395EC5 #A039C5

monochromatic

#55661E #7C962B #A4C539 #BAD368 #D0E197

Accessibility & contrast

On white

1.98

#A4C539 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.62

#A4C539 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4C539

10.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4C539	#FFFFFF	#000000	##000000
##A4C539	1.00	1.98	10.62	10.62
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.62	21.00	1.00	1.00
##000000	10.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1B920

Deuteranopia (green-blind)

#CDB845

Tritanopia (blue-blind)

#ADBBAA

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #a4c539;
/* rgb */ color: rgb(164, 197, 57);
/* oklch */ color: oklch(77.3% 0.166 122.0);

Tailwind

colors: {
  custom: {
    50: '#c2d678',
    500: '#a4c539',
    950: '#000000',
  },
}

SCSS

$custom: #a4c539;
$custom-light: #c2d678;
$custom-dark: #000000;

JSON

{
  "hex": "#a4c539",
  "rgb": {
    "r": 164,
    "g": 197,
    "b": 57
  },
  "hsl": {
    "h": 74.143,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.77339,
    "c": 0.16562,
    "h": 122
  },
  "luminance": 0.4812
}

Semantic roles & 50–950 ramp

primary

#A4C539

secondary

#9C8DCD

accent

#49DE6C

background

#FCFDF7

surface

#F8FAEE

border

#D1D3C9

text

#13140A

muted

#82837C

Preview Lab

Preview with #A4C539

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

Preview Lab → · Contrast checker → · Palette generator →