#A9B231#A9B231

#A9B231 is a light, vivid yellow. Relative luminance 0.405; OKLCH L 73.3% C 0.147 H 113.5°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#A9B231
RGB	rgb(169, 178, 49)
HSL	hsl(64, 57%, 45%)
HSV	hsv(64, 72%, 70%)
CMYK	cmyk(5.1%, 0%, 72.5%, 30.2%)
CIE-LAB	lab(69.82, -19.08, 60.87)
CIE-LCH	lch(69.82, 63.79, 107.40°)
OKLab	oklab(73.33% -0.0585 0.1348)
OKLCH	oklch(73.33% 0.147 113.5)
XYZ	xyz(32.8379, 40.4982, 8.9922)
Luminance	0.4050 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9B231 #3A31B2

analogous

#B27B31 #A9B231 #69B231

triadic

#A9B231 #31A9B2 #B231A9

tetradic

#A9B231 #31B27B #3A31B2 #B23169

square

#A9B231 #31B27B #3A31B2 #B23169

split-complementary

#A9B231 #3169B2 #7B31B2

monochromatic

#4E5217 #7B8224 #A9B231 #C6CF51 #D6DC81

Accessibility & contrast

On white

2.31

#A9B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#A9B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9B231

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9B231	#FFFFFF	#000000	##000000
##A9B231	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA918

Deuteranopia (green-blind)

#BFAC3B

Tritanopia (blue-blind)

#B4A799

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #a9b231;
/* rgb */ color: rgb(169, 178, 49);
/* oklch */ color: oklch(73.3% 0.147 113.5);

Tailwind

colors: {
  custom: {
    50: '#c6c872',
    500: '#a9b231',
    950: '#000000',
  },
}

SCSS

$custom: #a9b231;
$custom-light: #c6c872;
$custom-dark: #000000;

JSON

{
  "hex": "#a9b231",
  "rgb": {
    "r": 169,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 64.186,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.73331,
    "c": 0.14699,
    "h": 113.5
  },
  "luminance": 0.40498
}

Semantic roles & 50–950 ramp

primary

#A9B231

secondary

#7F79C5

accent

#48E052

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A9B231

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

Preview Lab → · Contrast checker → · Palette generator →