#ACE55C#ACE55C

#ACE55C is a very light, vivid yellow-green. Relative luminance 0.656; OKLCH L 85.5% C 0.177 H 128.7°. Best body text is #000000 at 14.12:1 contrast (WCAG AA passes).

Color values

HEX	#ACE55C
RGB	rgb(172, 229, 92)
HSL	hsl(85, 72%, 63%)
HSV	hsv(85, 60%, 90%)
CMYK	cmyk(24.9%, 0%, 59.8%, 10.2%)
CIE-LAB	lab(84.78, -39.12, 59.49)
CIE-LCH	lch(84.78, 71.20, 123.33°)
OKLab	oklab(85.54% -0.1104 0.1379)
OKLCH	oklch(85.54% 0.177 128.7)
XYZ	xyz(46.9641, 65.5810, 20.3072)
Luminance	0.6558 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE55C #955CE5

analogous

#E5DA5C #ACE55C #67E55C

triadic

#ACE55C #5CACE5 #E55CAC

tetradic

#ACE55C #5CE5DA #955CE5 #E55C67

square

#ACE55C #5CE5DA #955CE5 #E55C67

split-complementary

#ACE55C #5C67E5 #DA5CE5

monochromatic

#6FAB1B #91DD27 #ACE55C #C7ED91 #E2F6C6

Accessibility & contrast

On white

1.49

#ACE55C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.12

#ACE55C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE55C

14.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE55C	#FFFFFF	#000000	##000000
##ACE55C	1.00	1.49	14.12	14.12
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.12	21.00	1.00	1.00
##000000	14.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD64D

Deuteranopia (green-blind)

#E7D266

Tritanopia (blue-blind)

#B1DCC8

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #ace55c;
/* rgb */ color: rgb(172, 229, 92);
/* oklch */ color: oklch(85.5% 0.177 128.7);

Tailwind

colors: {
  custom: {
    50: '#c8ed8f',
    500: '#ace55c',
    950: '#000000',
  },
}

SCSS

$custom: #ace55c;
$custom-light: #c8ed8f;
$custom-dark: #000000;

JSON

{
  "hex": "#ace55c",
  "rgb": {
    "r": 172,
    "g": 229,
    "b": 92
  },
  "hsl": {
    "h": 84.964,
    "s": 72.487,
    "l": 62.941
  },
  "oklch": {
    "l": 0.85544,
    "c": 0.17661,
    "h": 128.7
  },
  "luminance": 0.65582
}

Semantic roles & 50–950 ramp

primary

#ACE55C

secondary

#6938AD

accent

#11D562

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13160D

muted

#83857F

Preview Lab

Preview with #ACE55C

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

Preview Lab → · Contrast checker → · Palette generator →