Mustard Green#A8B504

#A8B504 is a light, vivid yellow. Relative luminance 0.414; OKLCH L 73.8% C 0.166 H 114.9°. Best body text is #000000 at 9.28:1 contrast (WCAG AA passes).

Mustard Green — editorial page

Color values

HEX	#A8B504
RGB	rgb(168, 181, 4)
HSL	hsl(64, 96%, 36%)
HSV	hsv(64, 98%, 71%)
CMYK	cmyk(7.2%, 0%, 97.8%, 29%)
CIE-LAB	lab(70.44, -22.26, 71.36)
CIE-LCH	lch(70.44, 74.75, 107.33°)
OKLab	oklab(73.76% -0.0699 0.1508)
OKLCH	oklch(73.76% 0.166 114.9)
XYZ	xyz(32.6953, 41.3820, 6.3800)
Luminance	0.4138 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A8B504 #1104B5

analogous

#B56A04 #A8B504 #50B504

triadic

#A8B504 #04A8B5 #B504A8

tetradic

#A8B504 #04B56A #1104B5 #B50450

square

#A8B504 #04B56A #1104B5 #B50450

split-complementary

#A8B504 #0450B5 #6A04B5

monochromatic

#393D01 #707903 #A8B504 #E0F105 #ECFB39

Accessibility & contrast

On white

2.26

#A8B504 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.28

#A8B504 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A8B504

9.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A8B504	#FFFFFF	#000000	##000000
##A8B504	1.00	2.26	9.28	9.28
#FFFFFF	2.26	1.00	21.00	21.00
#000000	9.28	21.00	1.00	1.00
##000000	9.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AB00

Deuteranopia (green-blind)

#C2AD22

Tritanopia (blue-blind)

#B4AA9A

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #a8b504;
/* rgb */ color: rgb(168, 181, 4);
/* oklch */ color: oklch(73.8% 0.166 114.9);

Tailwind

colors: {
  custom: {
    50: '#c6cb64',
    500: '#a8b504',
    950: '#000000',
  },
}

SCSS

$custom: #a8b504;
$custom-light: #c6cb64;
$custom-dark: #000000;

JSON

{
  "hex": "#a8b504",
  "rgb": {
    "r": 168,
    "g": 181,
    "b": 4
  },
  "hsl": {
    "h": 64.407,
    "s": 95.676,
    "l": 36.275
  },
  "oklch": {
    "l": 0.73761,
    "c": 0.16623,
    "h": 114.9
  },
  "luminance": 0.41381
}

Semantic roles & 50–950 ramp

primary

#A8B504

secondary

#483CD8

accent

#29FF39

background

#FCFCF6

surface

#F9F8EB

border

#D2D1C6

text

#141307

muted

#82827A

Preview Lab

Preview with #A8B504

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

Preview Lab → · Contrast checker → · Palette generator →