#AACA31#AACA31

#AACA31 is a light, vivid yellow-green. Relative luminance 0.510; OKLCH L 78.9% C 0.174 H 121.1°. Best body text is #000000 at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#AACA31
RGB	rgb(170, 202, 49)
HSL	hsl(73, 61%, 49%)
HSV	hsv(73, 76%, 79%)
CMYK	cmyk(15.8%, 0%, 75.7%, 20.8%)
CIE-LAB	lab(76.68, -30.34, 67.40)
CIE-LCH	lch(76.68, 73.92, 114.24°)
OKLab	oklab(78.87% -0.0897 0.1486)
OKLCH	oklch(78.87% 0.174 121.1)
XYZ	xyz(38.2531, 51.0089, 10.7356)
Luminance	0.5101 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AACA31 #5131CA

analogous

#CA9E31 #AACA31 #5ECA31

triadic

#AACA31 #31AACA #CA31AA

tetradic

#AACA31 #31CA9E #5131CA #CA315E

square

#AACA31 #31CA9E #5131CA #CA315E

split-complementary

#AACA31 #315ECA #9E31CA

monochromatic

#576719 #819925 #AACA31 #BFD860 #D3E491

Accessibility & contrast

On white

1.87

#AACA31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.20

#AACA31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AACA31

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AACA31	#FFFFFF	#000000	##000000
##AACA31	1.00	1.87	11.20	11.20
#FFFFFF	1.87	1.00	21.00	21.00
#000000	11.20	21.00	1.00	1.00
##000000	11.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BE08

Deuteranopia (green-blind)

#D3BD3F

Tritanopia (blue-blind)

#B4BFAD

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #aaca31;
/* rgb */ color: rgb(170, 202, 49);
/* oklch */ color: oklch(78.9% 0.174 121.1);

Tailwind

colors: {
  custom: {
    50: '#c7da75',
    500: '#aaca31',
    950: '#000000',
  },
}

SCSS

$custom: #aaca31;
$custom-light: #c7da75;
$custom-dark: #000000;

JSON

{
  "hex": "#aaca31",
  "rgb": {
    "r": 170,
    "g": 202,
    "b": 49
  },
  "hsl": {
    "h": 72.549,
    "s": 60.956,
    "l": 49.216
  },
  "oklch": {
    "l": 0.78867,
    "c": 0.17357,
    "h": 121.1
  },
  "luminance": 0.51009
}

Semantic roles & 50–950 ramp

primary

#AACA31

secondary

#3C2E72

accent

#44E465

background

#FEFEFB

surface

#FBFBF1

border

#D4D4CB

text

#141409

muted

#83837D

Preview Lab

Preview with #AACA31

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

Preview Lab → · Contrast checker → · Palette generator →