#ACE559#ACE559

#ACE559 is a very light, vivid yellow-green. Relative luminance 0.655; OKLCH L 85.5% C 0.179 H 128.4°. Best body text is #000000 at 14.11:1 contrast (WCAG AA passes).

Color values

HEX	#ACE559
RGB	rgb(172, 229, 89)
HSL	hsl(84, 73%, 62%)
HSV	hsv(84, 61%, 90%)
CMYK	cmyk(24.9%, 0%, 61.1%, 10.2%)
CIE-LAB	lab(84.76, -39.37, 60.73)
CIE-LCH	lch(84.76, 72.38, 122.95°)
OKLab	oklab(85.52% -0.1113 0.1402)
OKLCH	oklch(85.52% 0.179 128.4)
XYZ	xyz(46.8356, 65.5296, 19.6302)
Luminance	0.6553 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE559 #9259E5

analogous

#E5D859 #ACE559 #66E559

triadic

#ACE559 #59ACE5 #E559AC

tetradic

#ACE559 #59E5D8 #9259E5 #E55966

square

#ACE559 #59E5D8 #9259E5 #E55966

split-complementary

#ACE559 #5966E5 #D859E5

monochromatic

#6FA91A #92DD24 #ACE559 #C6ED8E #E1F6C3

Accessibility & contrast

On white

1.49

#ACE559 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.11

#ACE559 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE559

14.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE559	#FFFFFF	#000000	##000000
##ACE559	1.00	1.49	14.11	14.11
#FFFFFF	1.49	1.00	21.00	21.00
#000000	14.11	21.00	1.00	1.00
##000000	14.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD649

Deuteranopia (green-blind)

#E8D263

Tritanopia (blue-blind)

#B1DBC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #ace559;
/* rgb */ color: rgb(172, 229, 89);
/* oklch */ color: oklch(85.5% 0.179 128.4);

Tailwind

colors: {
  custom: {
    50: '#c8ed8d',
    500: '#ace559',
    950: '#000000',
  },
}

SCSS

$custom: #ace559;
$custom-light: #c8ed8d;
$custom-dark: #000000;

JSON

{
  "hex": "#ace559",
  "rgb": {
    "r": 172,
    "g": 229,
    "b": 89
  },
  "hsl": {
    "h": 84.429,
    "s": 72.917,
    "l": 62.353
  },
  "oklch": {
    "l": 0.85515,
    "c": 0.17899,
    "h": 128.4
  },
  "luminance": 0.65531
}

Semantic roles & 50–950 ramp

primary

#ACE559

secondary

#6637AB

accent

#10D561

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13160D

muted

#83857F

Preview Lab

Preview with #ACE559

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

Preview Lab → · Contrast checker → · Palette generator →