#A1B228#A1B228

#A1B228 is a light, vivid yellow. Relative luminance 0.396; OKLCH L 72.6% C 0.155 H 116.7°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#A1B228
RGB	rgb(161, 178, 40)
HSL	hsl(67, 63%, 43%)
HSV	hsv(67, 78%, 70%)
CMYK	cmyk(9.6%, 0%, 77.5%, 30.2%)
CIE-LAB	lab(69.16, -22.90, 63.02)
CIE-LCH	lch(69.16, 67.06, 109.97°)
OKLab	oklab(72.63% -0.0695 0.1381)
OKLCH	oklch(72.63% 0.155 116.7)
XYZ	xyz(31.0022, 39.5715, 8.0120)
Luminance	0.3957 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1B228 #3928B2

analogous

#B27E28 #A1B228 #5CB228

triadic

#A1B228 #28A1B2 #B228A1

tetradic

#A1B228 #28B27E #3928B2 #B2285C

square

#A1B228 #28B27E #3928B2 #B2285C

split-complementary

#A1B228 #285CB2 #7E28B2

monochromatic

#474E12 #74801D #A1B228 #C3D543 #D3E075

Accessibility & contrast

On white

2.36

#A1B228 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#A1B228 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1B228

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1B228	#FFFFFF	#000000	##000000
##A1B228	1.00	2.36	8.91	8.91
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.91	21.00	1.00	1.00
##000000	8.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BFA800

Deuteranopia (green-blind)

#BDAA35

Tritanopia (blue-blind)

#ABA898

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #a1b228;
/* rgb */ color: rgb(161, 178, 40);
/* oklch */ color: oklch(72.6% 0.155 116.7);

Tailwind

colors: {
  custom: {
    50: '#c0c86e',
    500: '#a1b228',
    950: '#000000',
  },
}

SCSS

$custom: #a1b228;
$custom-light: #c0c86e;
$custom-dark: #000000;

JSON

{
  "hex": "#a1b228",
  "rgb": {
    "r": 161,
    "g": 178,
    "b": 40
  },
  "hsl": {
    "h": 67.391,
    "s": 63.303,
    "l": 42.745
  },
  "oklch": {
    "l": 0.72634,
    "c": 0.15455,
    "h": 116.7
  },
  "luminance": 0.39571
}

Semantic roles & 50–950 ramp

primary

#A1B228

secondary

#796FC7

accent

#41E656

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A1B228

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

Preview Lab → · Contrast checker → · Palette generator →