#A3B41B#A3B41B

#A3B41B is a light, vivid yellow. Relative luminance 0.405; OKLCH L 73.2% C 0.162 H 116.5°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#A3B41B
RGB	rgb(163, 180, 27)
HSL	hsl(67, 74%, 41%)
HSV	hsv(67, 85%, 71%)
CMYK	cmyk(9.4%, 0%, 85%, 29.4%)
CIE-LAB	lab(69.83, -23.49, 67.15)
CIE-LCH	lch(69.83, 71.14, 109.28°)
OKLab	oklab(73.19% -0.0721 0.1446)
OKLCH	oklch(73.19% 0.162 116.5)
XYZ	xyz(31.6243, 40.5086, 7.1897)
Luminance	0.4051 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3B41B #2C1BB4

analogous

#B4791B #A3B41B #56B41B

triadic

#A3B41B #1BA3B4 #B41BA3

tetradic

#A3B41B #1BB479 #2C1BB4 #B41B56

square

#A3B41B #1BB479 #2C1BB4 #B41B56

split-complementary

#A3B41B #1B56B4 #791BB4

monochromatic

#434A0B #737F13 #A3B41B #CCDF2D #D9E762

Accessibility & contrast

On white

2.31

#A3B41B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#A3B41B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3B41B

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3B41B	#FFFFFF	#000000	##000000
##A3B41B	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)

#C1AA00

Deuteranopia (green-blind)

#C0AC2D

Tritanopia (blue-blind)

#AEA999

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #a3b41b;
/* rgb */ color: rgb(163, 180, 27);
/* oklch */ color: oklch(73.2% 0.162 116.5);

Tailwind

colors: {
  custom: {
    50: '#c2ca69',
    500: '#a3b41b',
    950: '#000000',
  },
}

SCSS

$custom: #a3b41b;
$custom-light: #c2ca69;
$custom-dark: #000000;

JSON

{
  "hex": "#a3b41b",
  "rgb": {
    "r": 163,
    "g": 180,
    "b": 27
  },
  "hsl": {
    "h": 66.667,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.73191,
    "c": 0.16158,
    "h": 116.5
  },
  "luminance": 0.40508
}

Semantic roles & 50–950 ramp

primary

#A3B41B

secondary

#6B5FCC

accent

#37F14C

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A3B41B

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

Preview Lab → · Contrast checker → · Palette generator →