#AAB31B#AAB31B

#AAB31B is a light, vivid yellow. Relative luminance 0.409; OKLCH L 73.5% C 0.158 H 113.4°. Best body text is #000000 at 9.17:1 contrast (WCAG AA passes).

Color values

HEX	#AAB31B
RGB	rgb(170, 179, 27)
HSL	hsl(64, 74%, 40%)
HSV	hsv(64, 85%, 70%)
CMYK	cmyk(5%, 0%, 84.9%, 29.8%)
CIE-LAB	lab(70.08, -19.99, 67.57)
CIE-LCH	lch(70.08, 70.47, 106.48°)
OKLab	oklab(73.53% -0.0628 0.1452)
OKLCH	oklch(73.53% 0.158 113.4)
XYZ	xyz(32.8966, 40.8661, 7.1917)
Luminance	0.4087 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AAB31B #241BB3

analogous

#B3701B #AAB31B #5EB31B

triadic

#AAB31B #1BAAB3 #B31BAA

tetradic

#AAB31B #1BB370 #241BB3 #B31B5E

square

#AAB31B #1BB370 #241BB3 #B31B5E

split-complementary

#AAB31B #1B5EB3 #701BB3

monochromatic

#45490B #777E13 #AAB31B #D5DF2C #DFE761

Accessibility & contrast

On white

2.29

#AAB31B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.17

#AAB31B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AAB31B

9.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AAB31B	#FFFFFF	#000000	##000000
##AAB31B	1.00	2.29	9.17	9.17
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.17	21.00	1.00	1.00
##000000	9.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C1AA00

Deuteranopia (green-blind)

#C1AD2C

Tritanopia (blue-blind)

#B6A899

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #aab31b;
/* rgb */ color: rgb(170, 179, 27);
/* oklch */ color: oklch(73.5% 0.158 113.4);

Tailwind

colors: {
  custom: {
    50: '#c7c969',
    500: '#aab31b',
    950: '#000000',
  },
}

SCSS

$custom: #aab31b;
$custom-light: #c7c969;
$custom-dark: #000000;

JSON

{
  "hex": "#aab31b",
  "rgb": {
    "r": 170,
    "g": 179,
    "b": 27
  },
  "hsl": {
    "h": 63.553,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.73526,
    "c": 0.15823,
    "h": 113.4
  },
  "luminance": 0.40865
}

Semantic roles & 50–950 ramp

primary

#AAB31B

secondary

#655ECC

accent

#37F042

background

#FCFCF6

surface

#F9F8EC

border

#D2D1C7

text

#141307

muted

#82827A

Preview Lab

Preview with #AAB31B

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

Preview Lab → · Contrast checker → · Palette generator →