#ACE449#ACE449

#ACE449 is a very light, vivid yellow-green. Relative luminance 0.647; OKLCH L 85.1% C 0.189 H 127.3°. Best body text is #000000 at 13.95:1 contrast (WCAG AA passes).

Color values

HEX	#ACE449
RGB	rgb(172, 228, 73)
HSL	hsl(82, 74%, 59%)
HSV	hsv(82, 68%, 89%)
CMYK	cmyk(24.6%, 0%, 68%, 10.6%)
CIE-LAB	lab(84.35, -40.09, 66.65)
CIE-LCH	lch(84.35, 77.78, 121.02°)
OKLab	oklab(85.15% -0.1146 0.1506)
OKLCH	oklch(85.15% 0.189 127.3)
XYZ	xyz(45.9593, 64.7376, 16.3763)
Luminance	0.6474 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE449 #8149E4

analogous

#E4CE49 #ACE449 #5FE449

triadic

#ACE449 #49ACE4 #E449AC

tetradic

#ACE449 #49E4CE #8149E4 #E4495F

square

#ACE449 #49E4CE #8149E4 #E4495F

split-complementary

#ACE449 #495FE4 #CE49E4

monochromatic

#6C9C17 #91D11F #ACE449 #C4EC7E #DDF4B4

Accessibility & contrast

On white

1.51

#ACE449 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.95

#ACE449 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE449

13.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE449	#FFFFFF	#000000	##000000
##ACE449	1.00	1.51	13.95	13.95
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.95	21.00	1.00	1.00
##000000	13.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD531

Deuteranopia (green-blind)

#E8D156

Tritanopia (blue-blind)

#B2DAC5

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #ace449;
/* rgb */ color: rgb(172, 228, 73);
/* oklch */ color: oklch(85.1% 0.189 127.3);

Tailwind

colors: {
  custom: {
    50: '#c9ec84',
    500: '#ace449',
    950: '#000000',
  },
}

SCSS

$custom: #ace449;
$custom-light: #c9ec84;
$custom-dark: #000000;

JSON

{
  "hex": "#ace449",
  "rgb": {
    "r": 172,
    "g": 228,
    "b": 73
  },
  "hsl": {
    "h": 81.677,
    "s": 74.163,
    "l": 59.02
  },
  "oklch": {
    "l": 0.85145,
    "c": 0.18928,
    "h": 127.3
  },
  "luminance": 0.64739
}

Semantic roles & 50–950 ramp

primary

#ACE449

secondary

#5A329F

accent

#37F17A

background

#FEFEFB

surface

#FBFDF2

border

#D4D5CC

text

#14160B

muted

#83847E

Preview Lab

Preview with #ACE449

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

Preview Lab → · Contrast checker → · Palette generator →