#ACE556#ACE556

#ACE556 is a very light, vivid yellow-green. Relative luminance 0.655; OKLCH L 85.5% C 0.181 H 128.2°. Best body text is #000000 at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#ACE556
RGB	rgb(172, 229, 86)
HSL	hsl(84, 73%, 62%)
HSV	hsv(84, 62%, 90%)
CMYK	cmyk(24.9%, 0%, 62.4%, 10.2%)
CIE-LAB	lab(84.73, -39.60, 61.95)
CIE-LCH	lch(84.73, 73.53, 122.59°)
OKLab	oklab(85.49% -0.1122 0.1424)
OKLCH	oklch(85.49% 0.181 128.2)
XYZ	xyz(46.7122, 65.4802, 18.9802)
Luminance	0.6548 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE556 #8F56E5

analogous

#E5D656 #ACE556 #65E556

triadic

#ACE556 #56ACE5 #E556AC

tetradic

#ACE556 #56E5D6 #8F56E5 #E55665

square

#ACE556 #56E5D6 #8F56E5 #E55665

split-complementary

#ACE556 #5665E5 #D656E5

monochromatic

#6FA71A #92DC22 #ACE556 #C6ED8B #E0F5C0

Accessibility & contrast

On white

1.49

#ACE556 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.10

#ACE556 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE556

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE556	#FFFFFF	#000000	##000000
##ACE556	1.00	1.49	14.10	14.10
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.10	21.00	1.00	1.00
##000000	14.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F0D644

Deuteranopia (green-blind)

#E8D261

Tritanopia (blue-blind)

#B1DBC7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #ace556;
/* rgb */ color: rgb(172, 229, 86);
/* oklch */ color: oklch(85.5% 0.181 128.2);

Tailwind

colors: {
  custom: {
    50: '#c8ed8b',
    500: '#ace556',
    950: '#000000',
  },
}

SCSS

$custom: #ace556;
$custom-light: #c8ed8b;
$custom-dark: #000000;

JSON

{
  "hex": "#ace556",
  "rgb": {
    "r": 172,
    "g": 229,
    "b": 86
  },
  "hsl": {
    "h": 83.916,
    "s": 73.333,
    "l": 61.765
  },
  "oklch": {
    "l": 0.85486,
    "c": 0.1813,
    "h": 128.2
  },
  "luminance": 0.65481
}

Semantic roles & 50–950 ramp

primary

#ACE556

secondary

#6436A9

accent

#10D55F

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#13160C

muted

#83857F

Preview Lab

Preview with #ACE556

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

Preview Lab → · Contrast checker → · Palette generator →