#A1B221#A1B221

#A1B221 is a light, vivid yellow. Relative luminance 0.395; OKLCH L 72.6% C 0.158 H 116.6°. Best body text is #000000 at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#A1B221
RGB	rgb(161, 178, 33)
HSL	hsl(67, 69%, 41%)
HSV	hsv(67, 81%, 70%)
CMYK	cmyk(9.6%, 0%, 81.5%, 30.2%)
CIE-LAB	lab(69.13, -23.17, 65.01)
CIE-LCH	lch(69.13, 69.02, 109.61°)
OKLab	oklab(72.6% -0.0707 0.1411)
OKLCH	oklch(72.6% 0.158 116.6)
XYZ	xyz(30.8937, 39.5281, 7.4408)
Luminance	0.3953 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1B221 #3221B2

analogous

#B27B21 #A1B221 #59B221

triadic

#A1B221 #21A1B2 #B221A1

tetradic

#A1B221 #21B27B #3221B2 #B22159

square

#A1B221 #21B27B #3221B2 #B22159

split-complementary

#A1B221 #2159B2 #7B21B2

monochromatic

#444B0E #727E17 #A1B221 #C7DA36 #D5E36A

Accessibility & contrast

On white

2.36

#A1B221 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.91

#A1B221 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1B221

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1B221	#FFFFFF	#000000	##000000
##A1B221	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)

#BDAA30

Tritanopia (blue-blind)

#ACA798

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #a1b221;
/* rgb */ color: rgb(161, 178, 33);
/* oklch */ color: oklch(72.6% 0.158 116.6);

Tailwind

colors: {
  custom: {
    50: '#c1c86b',
    500: '#a1b221',
    950: '#000000',
  },
}

SCSS

$custom: #a1b221;
$custom-light: #c1c86b;
$custom-dark: #000000;

JSON

{
  "hex": "#a1b221",
  "rgb": {
    "r": 161,
    "g": 178,
    "b": 33
  },
  "hsl": {
    "h": 67.034,
    "s": 68.72,
    "l": 41.373
  },
  "oklch": {
    "l": 0.72599,
    "c": 0.15781,
    "h": 116.6
  },
  "luminance": 0.39528
}

Semantic roles & 50–950 ramp

primary

#A1B221

secondary

#7166C9

accent

#3CEC51

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A1B221

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

Preview Lab → · Contrast checker → · Palette generator →