#ACC540#ACC540

#ACC540 is a light, vivid yellow-green. Relative luminance 0.491; OKLCH L 78.0% C 0.158 H 119.4°. Best body text is #000000 at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#ACC540
RGB	rgb(172, 197, 64)
HSL	hsl(71, 53%, 51%)
HSV	hsv(71, 68%, 77%)
CMYK	cmyk(12.7%, 0%, 67.5%, 22.7%)
CIE-LAB	lab(75.50, -26.35, 61.01)
CIE-LCH	lch(75.50, 66.45, 113.36°)
OKLab	oklab(77.97% -0.0775 0.1375)
OKLCH	oklch(77.97% 0.158 119.4)
XYZ	xyz(37.9056, 49.0735, 12.3247)
Luminance	0.4907 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACC540 #5940C5

analogous

#C59B40 #ACC540 #69C540

triadic

#ACC540 #40ACC5 #C540AC

tetradic

#ACC540 #40C59B #5940C5 #C54069

square

#ACC540 #40C59B #5940C5 #C54069

split-complementary

#ACC540 #4069C5 #9B40C5

monochromatic

#5C6A20 #85992F #ACC540 #C0D36F #D5E29E

Accessibility & contrast

On white

1.94

#ACC540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.81

#ACC540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACC540

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACC540	#FFFFFF	#000000	##000000
##ACC540	1.00	1.94	10.81	10.81
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.81	21.00	1.00	1.00
##000000	10.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D1BA2C

Deuteranopia (green-blind)

#CEBA4A

Tritanopia (blue-blind)

#B6BBAA

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #acc540;
/* rgb */ color: rgb(172, 197, 64);
/* oklch */ color: oklch(78.0% 0.158 119.4);

Tailwind

colors: {
  custom: {
    50: '#c8d67c',
    500: '#acc540',
    950: '#000000',
  },
}

SCSS

$custom: #acc540;
$custom-light: #c8d67c;
$custom-dark: #000000;

JSON

{
  "hex": "#acc540",
  "rgb": {
    "r": 172,
    "g": 197,
    "b": 64
  },
  "hsl": {
    "h": 71.278,
    "s": 53.414,
    "l": 51.176
  },
  "oklch": {
    "l": 0.77974,
    "c": 0.15781,
    "h": 119.4
  },
  "luminance": 0.49073
}

Semantic roles & 50–950 ramp

primary

#ACC540

secondary

#9E93CE

accent

#4BDD66

background

#FCFDF7

surface

#F9FAEE

border

#D2D3C9

text

#13140A

muted

#82837C

Preview Lab

Preview with #ACC540

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

Preview Lab → · Contrast checker → · Palette generator →