#A1B128#A1B128

#A1B128 is a light, vivid yellow. Relative luminance 0.392; OKLCH L 72.4% C 0.153 H 116.3°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#A1B128
RGB	rgb(161, 177, 40)
HSL	hsl(67, 63%, 43%)
HSV	hsv(67, 77%, 69%)
CMYK	cmyk(9%, 0%, 77.4%, 30.6%)
CIE-LAB	lab(68.88, -22.41, 62.76)
CIE-LCH	lch(68.88, 66.64, 109.65°)
OKLab	oklab(72.4% -0.0681 0.1375)
OKLCH	oklch(72.4% 0.153 116.3)
XYZ	xyz(30.8039, 39.1750, 7.9459)
Luminance	0.3917 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1B128 #3828B1

analogous

#B17C28 #A1B128 #5DB128

triadic

#A1B128 #28A1B1 #B128A1

tetradic

#A1B128 #28B17C #3828B1 #B1285D

square

#A1B128 #28B17C #3828B1 #B1285D

split-complementary

#A1B128 #285DB1 #7C28B1

monochromatic

#464D11 #747F1D #A1B128 #C3D442 #D3E074

Accessibility & contrast

On white

2.38

#A1B128 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#A1B128 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1B128

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1B128	#FFFFFF	#000000	##000000
##A1B128	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEA700

Deuteranopia (green-blind)

#BCA935

Tritanopia (blue-blind)

#ACA798

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #a1b128;
/* rgb */ color: rgb(161, 177, 40);
/* oklch */ color: oklch(72.4% 0.153 116.3);

Tailwind

colors: {
  custom: {
    50: '#c0c86e',
    500: '#a1b128',
    950: '#000000',
  },
}

SCSS

$custom: #a1b128;
$custom-light: #c0c86e;
$custom-dark: #000000;

JSON

{
  "hex": "#a1b128",
  "rgb": {
    "r": 161,
    "g": 177,
    "b": 40
  },
  "hsl": {
    "h": 67.007,
    "s": 63.134,
    "l": 42.549
  },
  "oklch": {
    "l": 0.72404,
    "c": 0.15345,
    "h": 116.3
  },
  "luminance": 0.39175
}

Semantic roles & 50–950 ramp

primary

#A1B128

secondary

#786EC7

accent

#42E655

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131308

muted

#82827B

Preview Lab

Preview with #A1B128

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

Preview Lab → · Contrast checker → · Palette generator →