#A5B31C#A5B31C

#A5B31C is a light, vivid yellow. Relative luminance 0.403; OKLCH L 73.1% C 0.159 H 115.4°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#A5B31C
RGB	rgb(165, 179, 28)
HSL	hsl(66, 73%, 41%)
HSV	hsv(66, 84%, 70%)
CMYK	cmyk(7.8%, 0%, 84.4%, 29.8%)
CIE-LAB	lab(69.70, -22.11, 66.87)
CIE-LCH	lch(69.70, 70.43, 108.30°)
OKLab	oklab(73.12% -0.0683 0.1441)
OKLCH	oklch(73.12% 0.159 115.4)
XYZ	xyz(31.8477, 40.3239, 7.2040)
Luminance	0.4032 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5B31C #2A1CB3

analogous

#B3751C #A5B31C #59B31C

triadic

#A5B31C #1CA5B3 #B31CA5

tetradic

#A5B31C #1CB375 #2A1CB3 #B31C59

square

#A5B31C #1CB375 #2A1CB3 #B31C59

split-complementary

#A5B31C #1C59B3 #751CB3

monochromatic

#43490B #747E14 #A5B31C #CEDE2E #DAE763

Accessibility & contrast

On white

2.32

#A5B31C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#A5B31C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5B31C

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5B31C	#FFFFFF	#000000	##000000
##A5B31C	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)

#C0A900

Deuteranopia (green-blind)

#BFAB2D

Tritanopia (blue-blind)

#B0A899

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #a5b31c;
/* rgb */ color: rgb(165, 179, 28);
/* oklch */ color: oklch(73.1% 0.159 115.4);

Tailwind

colors: {
  custom: {
    50: '#c4c969',
    500: '#a5b31c',
    950: '#000000',
  },
}

SCSS

$custom: #a5b31c;
$custom-light: #c4c969;
$custom-dark: #000000;

JSON

{
  "hex": "#a5b31c",
  "rgb": {
    "r": 165,
    "g": 179,
    "b": 28
  },
  "hsl": {
    "h": 65.563,
    "s": 72.947,
    "l": 40.588
  },
  "oklch": {
    "l": 0.73124,
    "c": 0.15947,
    "h": 115.4
  },
  "luminance": 0.40323
}

Semantic roles & 50–950 ramp

primary

#A5B31C

secondary

#695FCB

accent

#38F049

background

#FCFCF6

surface

#F8F8EC

border

#D1D1C7

text

#131307

muted

#82827A

Preview Lab

Preview with #A5B31C

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

Preview Lab → · Contrast checker → · Palette generator →