#A4B428#A4B428

#A4B428 is a light, vivid yellow. Relative luminance 0.407; OKLCH L 73.3% C 0.156 H 116.2°. Best body text is #000000 at 9.14:1 contrast (WCAG AA passes).

Color values

HEX	#A4B428
RGB	rgb(164, 180, 40)
HSL	hsl(67, 64%, 43%)
HSV	hsv(67, 78%, 71%)
CMYK	cmyk(8.9%, 0%, 77.8%, 29.4%)
CIE-LAB	lab(69.96, -22.62, 63.83)
CIE-LCH	lch(69.96, 67.72, 109.51°)
OKLab	oklab(73.33% -0.0688 0.1397)
OKLCH	oklch(73.33% 0.156 116.2)
XYZ	xyz(32.0150, 40.6887, 8.1743)
Luminance	0.4069 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4B428 #3828B4

analogous

#B47E28 #A4B428 #5EB428

triadic

#A4B428 #28A4B4 #B428A4

tetradic

#A4B428 #28B47E #3828B4 #B4285E

square

#A4B428 #28B47E #3828B4 #B4285E

split-complementary

#A4B428 #285EB4 #7E28B4

monochromatic

#495012 #76821D #A4B428 #C5D544 #D4E176

Accessibility & contrast

On white

2.30

#A4B428 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.14

#A4B428 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4B428

9.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4B428	#FFFFFF	#000000	##000000
##A4B428	1.00	2.30	9.14	9.14
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.14	21.00	1.00	1.00
##000000	9.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#C0AC35

Tritanopia (blue-blind)

#AFA99A

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #a4b428;
/* rgb */ color: rgb(164, 180, 40);
/* oklch */ color: oklch(73.3% 0.156 116.2);

Tailwind

colors: {
  custom: {
    50: '#c3ca6e',
    500: '#a4b428',
    950: '#000000',
  },
}

SCSS

$custom: #a4b428;
$custom-light: #c3ca6e;
$custom-dark: #000000;

JSON

{
  "hex": "#a4b428",
  "rgb": {
    "r": 164,
    "g": 180,
    "b": 40
  },
  "hsl": {
    "h": 66.857,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.73328,
    "c": 0.15571,
    "h": 116.2
  },
  "luminance": 0.40688
}

Semantic roles & 50–950 ramp

primary

#A4B428

secondary

#7A70C8

accent

#41E754

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A4B428

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

Preview Lab → · Contrast checker → · Palette generator →