#ACE558#ACE558

#ACE558 is a very light, vivid yellow-green. Relative luminance 0.655; OKLCH L 85.5% C 0.180 H 128.4°. Best body text is #000000 at 14.10:1 contrast (WCAG AA passes).

Color values

HEX	#ACE558
RGB	rgb(172, 229, 88)
HSL	hsl(84, 73%, 62%)
HSV	hsv(84, 62%, 90%)
CMYK	cmyk(24.9%, 0%, 61.6%, 10.2%)
CIE-LAB	lab(84.75, -39.45, 61.14)
CIE-LCH	lch(84.75, 72.76, 122.83°)
OKLab	oklab(85.51% -0.1116 0.1409)
OKLCH	oklch(85.51% 0.18 128.4)
XYZ	xyz(46.7939, 65.5129, 19.4105)
Luminance	0.6551 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE558 #9158E5

analogous

#E5D758 #ACE558 #66E558

triadic

#ACE558 #58ACE5 #E558AC

tetradic

#ACE558 #58E5D7 #9158E5 #E55866

square

#ACE558 #58E5D7 #9158E5 #E55866

split-complementary

#ACE558 #5866E5 #D758E5

monochromatic

#6FA81A #92DD23 #ACE558 #C6ED8D #E1F5C2

Accessibility & contrast

On white

1.49

#ACE558 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.10

#ACE558 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE558

14.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE558	#FFFFFF	#000000	##000000
##ACE558	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)

#F0D647

Deuteranopia (green-blind)

#E8D262

Tritanopia (blue-blind)

#B1DBC7

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #ace558;
/* rgb */ color: rgb(172, 229, 88);
/* oklch */ color: oklch(85.5% 0.180 128.4);

Tailwind

colors: {
  custom: {
    50: '#c8ed8d',
    500: '#ace558',
    950: '#000000',
  },
}

SCSS

$custom: #ace558;
$custom-light: #c8ed8d;
$custom-dark: #000000;

JSON

{
  "hex": "#ace558",
  "rgb": {
    "r": 172,
    "g": 229,
    "b": 88
  },
  "hsl": {
    "h": 84.255,
    "s": 73.057,
    "l": 62.157
  },
  "oklch": {
    "l": 0.85505,
    "c": 0.17977,
    "h": 128.4
  },
  "luminance": 0.65514
}

Semantic roles & 50–950 ramp

primary

#ACE558

secondary

#6637AA

accent

#10D560

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13160C

muted

#83857F

Preview Lab

Preview with #ACE558

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

Preview Lab → · Contrast checker → · Palette generator →