#A5B31F#A5B31F

#A5B31F is a light, vivid yellow. Relative luminance 0.403; OKLCH L 73.1% C 0.158 H 115.4°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#A5B31F
RGB	rgb(165, 179, 31)
HSL	hsl(66, 70%, 41%)
HSV	hsv(66, 83%, 70%)
CMYK	cmyk(7.8%, 0%, 82.7%, 29.8%)
CIE-LAB	lab(69.71, -22.02, 66.15)
CIE-LCH	lch(69.71, 69.72, 108.41°)
OKLab	oklab(73.14% -0.0679 0.143)
OKLCH	oklch(73.14% 0.158 115.4)
XYZ	xyz(31.8854, 40.3390, 7.4026)
Luminance	0.4034 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5B31F #2D1FB3

analogous

#B3771F #A5B31F #5BB31F

triadic

#A5B31F #1FA5B3 #B31FA5

tetradic

#A5B31F #1FB377 #2D1FB3 #B31F5B

square

#A5B31F #1FB377 #2D1FB3 #B31F5B

split-complementary

#A5B31F #1F5BB3 #771FB3

monochromatic

#454B0D #757F16 #A5B31F #CCDC33 #D9E568

Accessibility & contrast

On white

2.32

#A5B31F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#A5B31F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5B31F

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5B31F	#FFFFFF	#000000	##000000
##A5B31F	1.00	2.32	9.07	9.07
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0A900

Deuteranopia (green-blind)

#BFAB2F

Tritanopia (blue-blind)

#B0A899

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #a5b31f;
/* rgb */ color: rgb(165, 179, 31);
/* oklch */ color: oklch(73.1% 0.158 115.4);

Tailwind

colors: {
  custom: {
    50: '#c4c96b',
    500: '#a5b31f',
    950: '#000000',
  },
}

SCSS

$custom: #a5b31f;
$custom-light: #c4c96b;
$custom-dark: #000000;

JSON

{
  "hex": "#a5b31f",
  "rgb": {
    "r": 165,
    "g": 179,
    "b": 31
  },
  "hsl": {
    "h": 65.676,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.73136,
    "c": 0.15833,
    "h": 115.4
  },
  "luminance": 0.40338
}

Semantic roles & 50–950 ramp

primary

#A5B31F

secondary

#6D64CA

accent

#3BED4B

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A5B31F

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

Preview Lab → · Contrast checker → · Palette generator →