#A3B037#A3B037

#A3B037 is a light, vivid yellow. Relative luminance 0.391; OKLCH L 72.4% C 0.143 H 115.3°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#A3B037
RGB	rgb(163, 176, 55)
HSL	hsl(66, 52%, 45%)
HSV	hsv(66, 69%, 69%)
CMYK	cmyk(7.4%, 0%, 68.8%, 31%)
CIE-LAB	lab(68.83, -20.31, 57.52)
CIE-LCH	lch(68.83, 61.00, 109.45°)
OKLab	oklab(72.44% -0.061 0.129)
OKLCH	oklch(72.44% 0.143 115.3)
XYZ	xyz(31.3200, 39.1135, 9.5135)
Luminance	0.3911 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3B037 #4437B0

analogous

#B08037 #A3B037 #67B037

triadic

#A3B037 #37A3B0 #B037A3

tetradic

#A3B037 #37B080 #4437B0 #B03767

square

#A3B037 #37B080 #4437B0 #B03767

split-complementary

#A3B037 #3767B0 #8037B0

monochromatic

#4D531A #788128 #A3B037 #BFCB59 #D1DA88

Accessibility & contrast

On white

2.38

#A3B037 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#A3B037 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3B037

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3B037	#FFFFFF	#000000	##000000
##A3B037	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA724

Deuteranopia (green-blind)

#BBA940

Tritanopia (blue-blind)

#ADA698

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #a3b037;
/* rgb */ color: rgb(163, 176, 55);
/* oklch */ color: oklch(72.4% 0.143 115.3);

Tailwind

colors: {
  custom: {
    50: '#c1c775',
    500: '#a3b037',
    950: '#000000',
  },
}

SCSS

$custom: #a3b037;
$custom-light: #c1c775;
$custom-dark: #000000;

JSON

{
  "hex": "#a3b037",
  "rgb": {
    "r": 163,
    "g": 176,
    "b": 55
  },
  "hsl": {
    "h": 66.446,
    "s": 52.381,
    "l": 45.294
  },
  "oklch": {
    "l": 0.72435,
    "c": 0.14267,
    "h": 115.3
  },
  "luminance": 0.39113
}

Semantic roles & 50–950 ramp

primary

#A3B037

secondary

#867FC4

accent

#4CDC5B

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131309

muted

#82827B

Preview Lab

Preview with #A3B037

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

Preview Lab → · Contrast checker → · Palette generator →