#A9C21F#A9C21F

#A9C21F is a light, vivid yellow. Relative luminance 0.471; OKLCH L 76.9% C 0.173 H 118.9°. Best body text is #000000 at 10.42:1 contrast (WCAG AA passes).

Color values

HEX	#A9C21F
RGB	rgb(169, 194, 31)
HSL	hsl(69, 72%, 44%)
HSV	hsv(69, 84%, 76%)
CMYK	cmyk(12.9%, 0%, 84%, 23.9%)
CIE-LAB	lab(74.27, -27.64, 70.15)
CIE-LCH	lch(74.27, 75.40, 111.50°)
OKLab	oklab(76.87% -0.0835 0.1515)
OKLCH	oklch(76.87% 0.173 118.9)
XYZ	xyz(35.9022, 47.1178, 8.4994)
Luminance	0.4712 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9C21F #381FC2

analogous

#C2891F #A9C21F #58C21F

triadic

#A9C21F #1FA9C2 #C21FA9

tetradic

#A9C21F #1FC289 #381FC2 #C21F58

square

#A9C21F #1FC289 #381FC2 #C21F58

split-complementary

#A9C21F #1F58C2 #891FC2

monochromatic

#4D580E #7B8D17 #A9C21F #C7E03E #D7E973

Accessibility & contrast

On white

2.01

#A9C21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.42

#A9C21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9C21F

10.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9C21F	#FFFFFF	#000000	##000000
##A9C21F	1.00	2.01	10.42	10.42
#FFFFFF	2.01	1.00	21.00	21.00
#000000	10.42	21.00	1.00	1.00
##000000	10.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB700

Deuteranopia (green-blind)

#CCB732

Tritanopia (blue-blind)

#B4B7A6

Achromatopsia (no color)

#B7B7B7

Design tokens & code

CSS

--color: #a9c21f;
/* rgb */ color: rgb(169, 194, 31);
/* oklch */ color: oklch(76.9% 0.173 118.9);

Tailwind

colors: {
  custom: {
    50: '#c7d46d',
    500: '#a9c21f',
    950: '#000000',
  },
}

SCSS

$custom: #a9c21f;
$custom-light: #c7d46d;
$custom-dark: #000000;

JSON

{
  "hex": "#a9c21f",
  "rgb": {
    "r": 169,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 69.202,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.76874,
    "c": 0.173,
    "h": 118.9
  },
  "luminance": 0.47118
}

Semantic roles & 50–950 ramp

primary

#A9C21F

secondary

#7C6DCF

accent

#39EF55

background

#FCFCF7

surface

#F9F9ED

border

#D2D2C8

text

#141408

muted

#82827B

Preview Lab

Preview with #A9C21F

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

Preview Lab → · Contrast checker → · Palette generator →