#A9D538#A9D538

#A9D538 is a light, vivid yellow-green. Relative luminance 0.563; OKLCH L 81.4% C 0.183 H 124.3°. Best body text is #000000 at 12.26:1 contrast (WCAG AA passes).

Color values

HEX	#A9D538
RGB	rgb(169, 213, 56)
HSL	hsl(77, 65%, 53%)
HSV	hsv(77, 74%, 84%)
CMYK	cmyk(20.7%, 0%, 73.7%, 16.5%)
CIE-LAB	lab(79.79, -35.49, 68.06)
CIE-LCH	lch(79.79, 76.76, 117.54°)
OKLab	oklab(81.37% -0.1032 0.1511)
OKLCH	oklch(81.37% 0.183 124.3)
XYZ	xyz(40.8706, 56.3087, 12.4561)
Luminance	0.5631 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9D538 #6438D5

analogous

#D5B238 #A9D538 #5BD538

triadic

#A9D538 #38A9D5 #D538A9

tetradic

#A9D538 #38D5B2 #6438D5 #D5385B

square

#A9D538 #38D5B2 #6438D5 #D5385B

split-complementary

#A9D538 #385BD5 #B238D5

monochromatic

#5E791A #86AC24 #A9D538 #BFE06B #D5EA9D

Accessibility & contrast

On white

1.71

#A9D538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.26

#A9D538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9D538

12.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9D538	#FFFFFF	#000000	##000000
##A9D538	1.00	1.71	12.26	12.26
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.26	21.00	1.00	1.00
##000000	12.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E1C716

Deuteranopia (green-blind)

#DBC547

Tritanopia (blue-blind)

#B1CBB7

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #a9d538;
/* rgb */ color: rgb(169, 213, 56);
/* oklch */ color: oklch(81.4% 0.183 124.3);

Tailwind

colors: {
  custom: {
    50: '#c6e27a',
    500: '#a9d538',
    950: '#000000',
  },
}

SCSS

$custom: #a9d538;
$custom-light: #c6e27a;
$custom-dark: #000000;

JSON

{
  "hex": "#a9d538",
  "rgb": {
    "r": 169,
    "g": 213,
    "b": 56
  },
  "hsl": {
    "h": 76.815,
    "s": 65.145,
    "l": 52.745
  },
  "oklch": {
    "l": 0.81371,
    "c": 0.18301,
    "h": 124.3
  },
  "luminance": 0.56309
}

Semantic roles & 50–950 ramp

primary

#A9D538

secondary

#473081

accent

#40E86F

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A9D538

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

Preview Lab → · Contrast checker → · Palette generator →