#A9B11B#A9B11B

#A9B11B is a light, vivid yellow. Relative luminance 0.400; OKLCH L 73.0% C 0.156 H 113.0°. Best body text is #000000 at 8.99:1 contrast (WCAG AA passes).

Color values

HEX	#A9B11B
RGB	rgb(169, 177, 27)
HSL	hsl(63, 74%, 40%)
HSV	hsv(63, 85%, 69%)
CMYK	cmyk(4.5%, 0%, 84.7%, 30.6%)
CIE-LAB	lab(69.44, -19.42, 67.00)
CIE-LCH	lch(69.44, 69.76, 106.16°)
OKLab	oklab(72.99% -0.0612 0.144)
OKLCH	oklch(72.99% 0.156 113)
XYZ	xyz(32.2833, 39.9592, 7.0490)
Luminance	0.3996 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9B11B #231BB1

analogous

#B16E1B #A9B11B #5EB11B

triadic

#A9B11B #1BA9B1 #B11BA9

tetradic

#A9B11B #1BB16E #231BB1 #B11B5E

square

#A9B11B #1BB16E #231BB1 #B11B5E

split-complementary

#A9B11B #1B5EB1 #6E1BB1

monochromatic

#44470B #767C13 #A9B11B #D5DF2B #DFE760

Accessibility & contrast

On white

2.34

#A9B11B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.99

#A9B11B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9B11B

8.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9B11B	#FFFFFF	#000000	##000000
##A9B11B	1.00	2.34	8.99	8.99
#FFFFFF	2.34	1.00	21.00	21.00
#000000	8.99	21.00	1.00	1.00
##000000	8.99	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#BFAB2C

Tritanopia (blue-blind)

#B5A697

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #a9b11b;
/* rgb */ color: rgb(169, 177, 27);
/* oklch */ color: oklch(73.0% 0.156 113.0);

Tailwind

colors: {
  custom: {
    50: '#c7c869',
    500: '#a9b11b',
    950: '#000000',
  },
}

SCSS

$custom: #a9b11b;
$custom-light: #c7c869;
$custom-dark: #000000;

JSON

{
  "hex": "#a9b11b",
  "rgb": {
    "r": 169,
    "g": 177,
    "b": 27
  },
  "hsl": {
    "h": 63.2,
    "s": 73.529,
    "l": 40
  },
  "oklch": {
    "l": 0.72992,
    "c": 0.15649,
    "h": 113
  },
  "luminance": 0.39958
}

Semantic roles & 50–950 ramp

primary

#A9B11B

secondary

#635DCB

accent

#38F041

background

#FCFCF6

surface

#F9F8EC

border

#D2D1C7

text

#141307

muted

#82827A

Preview Lab

Preview with #A9B11B

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

Preview Lab → · Contrast checker → · Palette generator →