#A4B01C#A4B01C

#A4B01C is a light, vivid yellow. Relative luminance 0.390; OKLCH L 72.4% C 0.157 H 114.7°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#A4B01C
RGB	rgb(164, 176, 28)
HSL	hsl(65, 73%, 40%)
HSV	hsv(65, 84%, 69%)
CMYK	cmyk(6.8%, 0%, 84.1%, 31%)
CIE-LAB	lab(68.77, -21.05, 66.05)
CIE-LCH	lch(68.77, 69.33, 107.68°)
OKLab	oklab(72.36% -0.0654 0.1424)
OKLCH	oklch(72.36% 0.157 114.7)
XYZ	xyz(31.0458, 39.0276, 6.9960)
Luminance	0.3903 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4B01C #281CB0

analogous

#B0721C #A4B01C #5AB01C

triadic

#A4B01C #1CA4B0 #B01CA4

tetradic

#A4B01C #1CB072 #281CB0 #B01C5A

square

#A4B01C #1CB072 #281CB0 #B01C5A

split-complementary

#A4B01C #1C5AB0 #721CB0

monochromatic

#42460B #737B14 #A4B01C #CFDD2C #DBE661

Accessibility & contrast

On white

2.38

#A4B01C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#A4B01C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4B01C

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4B01C	#FFFFFF	#000000	##000000
##A4B01C	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA700

Deuteranopia (green-blind)

#BDA92C

Tritanopia (blue-blind)

#AFA596

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #a4b01c;
/* rgb */ color: rgb(164, 176, 28);
/* oklch */ color: oklch(72.4% 0.157 114.7);

Tailwind

colors: {
  custom: {
    50: '#c3c769',
    500: '#a4b01c',
    950: '#000000',
  },
}

SCSS

$custom: #a4b01c;
$custom-light: #c3c769;
$custom-dark: #000000;

JSON

{
  "hex": "#a4b01c",
  "rgb": {
    "r": 164,
    "g": 176,
    "b": 28
  },
  "hsl": {
    "h": 64.865,
    "s": 72.549,
    "l": 40
  },
  "oklch": {
    "l": 0.7236,
    "c": 0.15665,
    "h": 114.7
  },
  "luminance": 0.39027
}

Semantic roles & 50–950 ramp

primary

#A4B01C

secondary

#665ECA

accent

#39EF47

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A4B01C

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

Preview Lab → · Contrast checker → · Palette generator →