#ACE451#ACE451

#ACE451 is a very light, vivid yellow-green. Relative luminance 0.649; OKLCH L 85.2% C 0.184 H 127.7°. Best body text is #000000 at 13.97:1 contrast (WCAG AA passes).

Color values

HEX	#ACE451
RGB	rgb(172, 228, 81)
HSL	hsl(83, 73%, 61%)
HSV	hsv(83, 64%, 89%)
CMYK	cmyk(24.6%, 0%, 64.5%, 10.6%)
CIE-LAB	lab(84.41, -39.54, 63.63)
CIE-LCH	lch(84.41, 74.91, 121.86°)
OKLab	oklab(85.21% -0.1124 0.1453)
OKLCH	oklch(85.21% 0.184 127.7)
XYZ	xyz(46.2418, 64.8506, 17.8641)
Luminance	0.6485 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE451 #8951E4

analogous

#E4D251 #ACE451 #62E451

triadic

#ACE451 #51ACE4 #E451AC

tetradic

#ACE451 #51E4D2 #8951E4 #E45162

square

#ACE451 #51E4D2 #8951E4 #E45162

split-complementary

#ACE451 #5162E4 #D251E4

monochromatic

#6EA219 #91D721 #ACE451 #C5EC86 #DFF4BB

Accessibility & contrast

On white

1.50

#ACE451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.97

#ACE451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE451

13.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE451	#FFFFFF	#000000	##000000
##ACE451	1.00	1.50	13.97	13.97
#FFFFFF	1.50	1.00	21.00	21.00
#000000	13.97	21.00	1.00	1.00
##000000	13.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD53E

Deuteranopia (green-blind)

#E7D25C

Tritanopia (blue-blind)

#B2DAC6

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #ace451;
/* rgb */ color: rgb(172, 228, 81);
/* oklch */ color: oklch(85.2% 0.184 127.7);

Tailwind

colors: {
  custom: {
    50: '#c8ec88',
    500: '#ace451',
    950: '#000000',
  },
}

SCSS

$custom: #ace451;
$custom-light: #c8ec88;
$custom-dark: #000000;

JSON

{
  "hex": "#ace451",
  "rgb": {
    "r": 172,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 82.857,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.85211,
    "c": 0.18375,
    "h": 127.7
  },
  "luminance": 0.64852
}

Semantic roles & 50–950 ramp

primary

#ACE451

secondary

#5F35A4

accent

#10D55B

background

#FEFEFC

surface

#FBFDF4

border

#D4D5CE

text

#13160C

muted

#83847F

Preview Lab

Preview with #ACE451

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

Preview Lab → · Contrast checker → · Palette generator →