#ACE553#ACE553

#ACE553 is a very light, vivid yellow-green. Relative luminance 0.654; OKLCH L 85.5% C 0.184 H 128.0°. Best body text is #000000 at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#ACE553
RGB	rgb(172, 229, 83)
HSL	hsl(83, 74%, 61%)
HSV	hsv(83, 64%, 90%)
CMYK	cmyk(24.9%, 0%, 63.8%, 10.2%)
CIE-LAB	lab(84.71, -39.83, 63.14)
CIE-LCH	lch(84.71, 74.66, 122.24°)
OKLab	oklab(85.46% -0.1131 0.1446)
OKLCH	oklch(85.46% 0.184 128)
XYZ	xyz(46.5938, 65.4329, 18.3569)
Luminance	0.6543 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 5.49

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE553 #8C53E5

analogous

#E5D553 #ACE553 #63E553

triadic

#ACE553 #53ACE5 #E553AC

tetradic

#ACE553 #53E5D5 #8C53E5 #E55363

square

#ACE553 #53E5D5 #8C53E5 #E55363

split-complementary

#ACE553 #5363E5 #D553E5

monochromatic

#6EA519 #92DA21 #ACE553 #C6ED88 #DFF5BD

Accessibility & contrast

On white

1.49

#ACE553 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.09

#ACE553 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE553

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE553	#FFFFFF	#000000	##000000
##ACE553	1.00	1.49	14.09	14.09
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.09	21.00	1.00	1.00
##000000	14.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D640

Deuteranopia (green-blind)

#E8D25E

Tritanopia (blue-blind)

#B1DBC7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #ace553;
/* rgb */ color: rgb(172, 229, 83);
/* oklch */ color: oklch(85.5% 0.184 128.0);

Tailwind

colors: {
  custom: {
    50: '#c8ed8a',
    500: '#ace553',
    950: '#000000',
  },
}

SCSS

$custom: #ace553;
$custom-light: #c8ed8a;
$custom-dark: #000000;

JSON

{
  "hex": "#ace553",
  "rgb": {
    "r": 172,
    "g": 229,
    "b": 83
  },
  "hsl": {
    "h": 83.425,
    "s": 73.737,
    "l": 61.176
  },
  "oklch": {
    "l": 0.85458,
    "c": 0.18354,
    "h": 128
  },
  "luminance": 0.65434
}

Semantic roles & 50–950 ramp

primary

#ACE553

secondary

#6235A7

accent

#10D65D

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#13160C

muted

#83857F

Preview Lab

Preview with #ACE553

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

Preview Lab → · Contrast checker → · Palette generator →