#A1B41B#A1B41B

#A1B41B is a light, vivid yellow. Relative luminance 0.403; OKLCH L 73.0% C 0.162 H 117.3°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#A1B41B
RGB	rgb(161, 180, 27)
HSL	hsl(67, 74%, 41%)
HSV	hsv(67, 85%, 71%)
CMYK	cmyk(10.6%, 0%, 85%, 29.4%)
CIE-LAB	lab(69.68, -24.34, 66.96)
CIE-LCH	lch(69.68, 71.25, 109.98°)
OKLab	oklab(73.03% -0.0743 0.1443)
OKLCH	oklch(73.03% 0.162 117.3)
XYZ	xyz(31.2179, 40.2991, 7.1707)
Luminance	0.4030 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1B41B #2E1BB4

analogous

#B47A1B #A1B41B #54B41B

triadic

#A1B41B #1BA1B4 #B41BA1

tetradic

#A1B41B #1BB47A #2E1BB4 #B41B54

square

#A1B41B #1BB47A #2E1BB4 #B41B54

split-complementary

#A1B41B #1B54B4 #7A1BB4

monochromatic

#424A0B #717F13 #A1B41B #C9DF2D #D7E762

Accessibility & contrast

On white

2.32

#A1B41B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#A1B41B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1B41B

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1B41B	#FFFFFF	#000000	##000000
##A1B41B	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#BFAB2D

Tritanopia (blue-blind)

#ACA999

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #a1b41b;
/* rgb */ color: rgb(161, 180, 27);
/* oklch */ color: oklch(73.0% 0.162 117.3);

Tailwind

colors: {
  custom: {
    50: '#c1ca69',
    500: '#a1b41b',
    950: '#000000',
  },
}

SCSS

$custom: #a1b41b;
$custom-light: #c1ca69;
$custom-dark: #000000;

JSON

{
  "hex": "#a1b41b",
  "rgb": {
    "r": 161,
    "g": 180,
    "b": 27
  },
  "hsl": {
    "h": 67.451,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.73034,
    "c": 0.16231,
    "h": 117.3
  },
  "luminance": 0.40299
}

Semantic roles & 50–950 ramp

primary

#A1B41B

secondary

#6C5FCC

accent

#37F14E

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A1B41B

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

Preview Lab → · Contrast checker → · Palette generator →