#A3B028#A3B028

#A3B028 is a light, vivid yellow. Relative luminance 0.390; OKLCH L 72.3% C 0.152 H 115.2°. Best body text is #000000 at 8.80:1 contrast (WCAG AA passes).

Color values

HEX	#A3B028
RGB	rgb(163, 176, 40)
HSL	hsl(66, 63%, 42%)
HSV	hsv(66, 77%, 69%)
CMYK	cmyk(7.4%, 0%, 77.3%, 31%)
CIE-LAB	lab(68.74, -21.05, 62.70)
CIE-LCH	lch(68.74, 66.14, 108.56°)
OKLab	oklab(72.34% -0.0645 0.1373)
OKLCH	oklch(72.34% 0.152 115.2)
XYZ	xyz(31.0135, 38.9909, 7.8993)
Luminance	0.3899 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3B028 #3528B0

analogous

#B07928 #A3B028 #5FB028

triadic

#A3B028 #28A3B0 #B028A3

tetradic

#A3B028 #28B079 #3528B0 #B0285F

square

#A3B028 #28B079 #3528B0 #B0285F

split-complementary

#A3B028 #285FB0 #7928B0

monochromatic

#474C11 #757E1D #A3B028 #C6D441 #D5DF73

Accessibility & contrast

On white

2.39

#A3B028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.80

#A3B028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3B028

8.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3B028	#FFFFFF	#000000	##000000
##A3B028	1.00	2.39	8.80	8.80
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.80	21.00	1.00	1.00
##000000	8.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA700

Deuteranopia (green-blind)

#BCA934

Tritanopia (blue-blind)

#AEA597

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #a3b028;
/* rgb */ color: rgb(163, 176, 40);
/* oklch */ color: oklch(72.3% 0.152 115.2);

Tailwind

colors: {
  custom: {
    50: '#c2c76e',
    500: '#a3b028',
    950: '#000000',
  },
}

SCSS

$custom: #a3b028;
$custom-light: #c2c76e;
$custom-dark: #000000;

JSON

{
  "hex": "#a3b028",
  "rgb": {
    "r": 163,
    "g": 176,
    "b": 40
  },
  "hsl": {
    "h": 65.735,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.72335,
    "c": 0.15169,
    "h": 115.2
  },
  "luminance": 0.3899
}

Semantic roles & 50–950 ramp

primary

#A3B028

secondary

#766DC6

accent

#42E651

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A3B028

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

Preview Lab → · Contrast checker → · Palette generator →