#A4D538#A4D538

#A4D538 is a light, vivid yellow-green. Relative luminance 0.558; OKLCH L 81.0% C 0.185 H 125.7°. Best body text is #000000 at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#A4D538
RGB	rgb(164, 213, 56)
HSL	hsl(79, 65%, 53%)
HSV	hsv(79, 74%, 84%)
CMYK	cmyk(23%, 0%, 73.7%, 16.5%)
CIE-LAB	lab(79.48, -37.43, 67.66)
CIE-LCH	lch(79.48, 77.32, 118.95°)
OKLab	oklab(81.04% -0.1082 0.1504)
OKLCH	oklch(81.04% 0.185 125.7)
XYZ	xyz(39.8182, 55.7660, 12.4067)
Luminance	0.5577 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4D538 #6938D5

analogous

#D5B738 #A4D538 #56D538

triadic

#A4D538 #38A4D5 #D538A4

tetradic

#A4D538 #38D5B7 #6938D5 #D53856

square

#A4D538 #38D5B7 #6938D5 #D53856

split-complementary

#A4D538 #3856D5 #B738D5

monochromatic

#5B791A #81AC24 #A4D538 #BBE06B #D2EA9D

Accessibility & contrast

On white

1.73

#A4D538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.15

#A4D538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4D538

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4D538	#FFFFFF	#000000	##000000
##A4D538	1.00	1.73	12.15	12.15
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.15	21.00	1.00	1.00
##000000	12.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C716

Deuteranopia (green-blind)

#DAC447

Tritanopia (blue-blind)

#ABCBB7

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a4d538;
/* rgb */ color: rgb(164, 213, 56);
/* oklch */ color: oklch(81.0% 0.185 125.7);

Tailwind

colors: {
  custom: {
    50: '#c3e27a',
    500: '#a4d538',
    950: '#000000',
  },
}

SCSS

$custom: #a4d538;
$custom-light: #c3e27a;
$custom-dark: #000000;

JSON

{
  "hex": "#a4d538",
  "rgb": {
    "r": 164,
    "g": 213,
    "b": 56
  },
  "hsl": {
    "h": 78.726,
    "s": 65.145,
    "l": 52.745
  },
  "oklch": {
    "l": 0.81041,
    "c": 0.1853,
    "h": 125.7
  },
  "luminance": 0.55767
}

Semantic roles & 50–950 ramp

primary

#A4D538

secondary

#493081

accent

#40E874

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A4D538

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

Preview Lab → · Contrast checker → · Palette generator →