#A3B728#A3B728

#A3B728 is a light, vivid yellow. Relative luminance 0.418; OKLCH L 73.9% C 0.159 H 117.7°. Best body text is #000000 at 9.36:1 contrast (WCAG AA passes).

Color values

HEX	#A3B728
RGB	rgb(163, 183, 40)
HSL	hsl(68, 64%, 44%)
HSV	hsv(68, 78%, 72%)
CMYK	cmyk(10.9%, 0%, 78.1%, 28.2%)
CIE-LAB	lab(70.74, -24.51, 64.51)
CIE-LCH	lch(70.74, 69.01, 110.81°)
OKLab	oklab(73.94% -0.074 0.1412)
OKLCH	oklch(73.94% 0.159 117.7)
XYZ	xyz(32.4215, 41.8071, 8.3687)
Luminance	0.4181 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3B728 #3C28B7

analogous

#B78328 #A3B728 #5BB728

triadic

#A3B728 #28A3B7 #B728A3

tetradic

#A3B728 #28B783 #3C28B7 #B7285B

square

#A3B728 #28B783 #3C28B7 #B7285B

split-complementary

#A3B728 #285BB7 #8328B7

monochromatic

#4A5312 #76851D #A3B728 #C2D646 #D3E178

Accessibility & contrast

On white

2.24

#A3B728 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.36

#A3B728 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3B728

9.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3B728	#FFFFFF	#000000	##000000
##A3B728	1.00	2.24	9.36	9.36
#FFFFFF	2.24	1.00	21.00	21.00
#000000	9.36	21.00	1.00	1.00
##000000	9.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AD00

Deuteranopia (green-blind)

#C2AE36

Tritanopia (blue-blind)

#ADAC9D

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #a3b728;
/* rgb */ color: rgb(163, 183, 40);
/* oklch */ color: oklch(73.9% 0.159 117.7);

Tailwind

colors: {
  custom: {
    50: '#c2cc6f',
    500: '#a3b728',
    950: '#000000',
  },
}

SCSS

$custom: #a3b728;
$custom-light: #c2cc6f;
$custom-dark: #000000;

JSON

{
  "hex": "#a3b728",
  "rgb": {
    "r": 163,
    "g": 183,
    "b": 40
  },
  "hsl": {
    "h": 68.392,
    "s": 64.126,
    "l": 43.725
  },
  "oklch": {
    "l": 0.73937,
    "c": 0.15939,
    "h": 117.7
  },
  "luminance": 0.41807
}

Semantic roles & 50–950 ramp

primary

#A3B728

secondary

#7E72C9

accent

#41E758

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A3B728

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

Preview Lab → · Contrast checker → · Palette generator →