#A3B421#A3B421

#A3B421 is a light, vivid yellow. Relative luminance 0.405; OKLCH L 73.2% C 0.159 H 116.5°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#A3B421
RGB	rgb(163, 180, 33)
HSL	hsl(67, 69%, 42%)
HSV	hsv(67, 82%, 71%)
CMYK	cmyk(9.4%, 0%, 81.7%, 29.4%)
CIE-LAB	lab(69.85, -23.30, 65.70)
CIE-LCH	lch(69.85, 69.71, 109.53°)
OKLab	oklab(73.22% -0.0712 0.1425)
OKLCH	oklch(73.22% 0.159 116.5)
XYZ	xyz(31.7009, 40.5393, 7.5934)
Luminance	0.4054 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3B421 #3221B4

analogous

#B47C21 #A3B421 #5AB421

triadic

#A3B421 #21A3B4 #B421A3

tetradic

#A3B421 #21B47C #3221B4 #B4215A

square

#A3B421 #21B47C #3221B4 #B4215A

split-complementary

#A3B421 #215AB4 #7C21B4

monochromatic

#454D0E #748018 #A3B421 #C8DA38 #D6E46B

Accessibility & contrast

On white

2.31

#A3B421 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#A3B421 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3B421

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3B421	#FFFFFF	#000000	##000000
##A3B421	1.00	2.31	9.11	9.11
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#BFAC30

Tritanopia (blue-blind)

#AEA99A

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #a3b421;
/* rgb */ color: rgb(163, 180, 33);
/* oklch */ color: oklch(73.2% 0.159 116.5);

Tailwind

colors: {
  custom: {
    50: '#c2ca6b',
    500: '#a3b421',
    950: '#000000',
  },
}

SCSS

$custom: #a3b421;
$custom-light: #c2ca6b;
$custom-dark: #000000;

JSON

{
  "hex": "#a3b421",
  "rgb": {
    "r": 163,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 66.939,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.73215,
    "c": 0.15928,
    "h": 116.5
  },
  "luminance": 0.40539
}

Semantic roles & 50–950 ramp

primary

#A3B421

secondary

#7267CA

accent

#3CEC50

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A3B421

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

Preview Lab → · Contrast checker → · Palette generator →