#ACE555#ACE555

#ACE555 is a very light, vivid yellow-green. Relative luminance 0.655; OKLCH L 85.5% C 0.182 H 128.2°. Best body text is #000000 at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#ACE555
RGB	rgb(172, 229, 85)
HSL	hsl(84, 73%, 62%)
HSV	hsv(84, 63%, 90%)
CMYK	cmyk(24.9%, 0%, 62.9%, 10.2%)
CIE-LAB	lab(84.72, -39.68, 62.35)
CIE-LCH	lch(84.72, 73.91, 122.47°)
OKLab	oklab(85.48% -0.1125 0.1431)
OKLCH	oklch(85.48% 0.182 128.2)
XYZ	xyz(46.6721, 65.4642, 18.7695)
Luminance	0.6546 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 5.38

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE555 #8E55E5

analogous

#E5D655 #ACE555 #64E555

triadic

#ACE555 #55ACE5 #E555AC

tetradic

#ACE555 #55E5D6 #8E55E5 #E55564

square

#ACE555 #55E5D6 #8E55E5 #E55564

split-complementary

#ACE555 #5564E5 #D655E5

monochromatic

#6EA619 #92DB22 #ACE555 #C6ED8A #E0F5BF

Accessibility & contrast

On white

1.49

#ACE555 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.09

#ACE555 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE555

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE555	#FFFFFF	#000000	##000000
##ACE555	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)

#F0D643

Deuteranopia (green-blind)

#E8D260

Tritanopia (blue-blind)

#B1DBC7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #ace555;
/* rgb */ color: rgb(172, 229, 85);
/* oklch */ color: oklch(85.5% 0.182 128.2);

Tailwind

colors: {
  custom: {
    50: '#c8ed8b',
    500: '#ace555',
    950: '#000000',
  },
}

SCSS

$custom: #ace555;
$custom-light: #c8ed8b;
$custom-dark: #000000;

JSON

{
  "hex": "#ace555",
  "rgb": {
    "r": 172,
    "g": 229,
    "b": 85
  },
  "hsl": {
    "h": 83.75,
    "s": 73.469,
    "l": 61.569
  },
  "oklch": {
    "l": 0.85477,
    "c": 0.18206,
    "h": 128.2
  },
  "luminance": 0.65465
}

Semantic roles & 50–950 ramp

primary

#ACE555

secondary

#6336A8

accent

#10D65E

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#13160C

muted

#83857F

Preview Lab

Preview with #ACE555

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

Preview Lab → · Contrast checker → · Palette generator →