#A4B731#A4B731

#A4B731 is a light, vivid yellow. Relative luminance 0.420; OKLCH L 74.1% C 0.154 H 117.4°. Best body text is #000000 at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#A4B731
RGB	rgb(164, 183, 49)
HSL	hsl(69, 58%, 45%)
HSV	hsv(69, 73%, 72%)
CMYK	cmyk(10.4%, 0%, 73.2%, 28.2%)
CIE-LAB	lab(70.86, -23.68, 61.74)
CIE-LCH	lch(70.86, 66.13, 110.99°)
OKLab	oklab(74.07% -0.071 0.1368)
OKLCH	oklch(74.07% 0.154 117.4)
XYZ	xyz(32.7985, 41.9816, 9.2806)
Luminance	0.4198 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4B731 #4431B7

analogous

#B78731 #A4B731 #61B731

triadic

#A4B731 #31A4B7 #B731A4

tetradic

#A4B731 #31B787 #4431B7 #B73161

square

#A4B731 #31B787 #4431B7 #B73161

split-complementary

#A4B731 #3161B7 #8731B7

monochromatic

#4D5617 #798724 #A4B731 #BFD154 #D1DE84

Accessibility & contrast

On white

2.23

#A4B731 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.40

#A4B731 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4B731

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4B731	#FFFFFF	#000000	##000000
##A4B731	1.00	2.23	9.40	9.40
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.40	21.00	1.00	1.00
##000000	9.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD16

Deuteranopia (green-blind)

#C2AE3C

Tritanopia (blue-blind)

#AEAD9D

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #a4b731;
/* rgb */ color: rgb(164, 183, 49);
/* oklch */ color: oklch(74.1% 0.154 117.4);

Tailwind

colors: {
  custom: {
    50: '#c2cc73',
    500: '#a4b731',
    950: '#000000',
  },
}

SCSS

$custom: #a4b731;
$custom-light: #c2cc73;
$custom-dark: #000000;

JSON

{
  "hex": "#a4b731",
  "rgb": {
    "r": 164,
    "g": 183,
    "b": 49
  },
  "hsl": {
    "h": 68.507,
    "s": 57.759,
    "l": 45.49
  },
  "oklch": {
    "l": 0.74067,
    "c": 0.15415,
    "h": 117.4
  },
  "luminance": 0.41981
}

Semantic roles & 50–950 ramp

primary

#A4B731

secondary

#877CC8

accent

#47E15D

background

#FCFCF7

surface

#F8F8ED

border

#D1D1C8

text

#131309

muted

#82827B

Preview Lab

Preview with #A4B731

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

Preview Lab → · Contrast checker → · Palette generator →