#ACE554#ACE554

#ACE554 is a very light, vivid yellow-green. Relative luminance 0.654; OKLCH L 85.5% C 0.183 H 128.1°. Best body text is #000000 at 14.09:1 contrast (WCAG AA passes).

Color values

HEX	#ACE554
RGB	rgb(172, 229, 84)
HSL	hsl(84, 74%, 61%)
HSV	hsv(84, 63%, 90%)
CMYK	cmyk(24.9%, 0%, 63.3%, 10.2%)
CIE-LAB	lab(84.71, -39.76, 62.75)
CIE-LCH	lch(84.71, 74.28, 122.36°)
OKLab	oklab(85.47% -0.1128 0.1439)
OKLCH	oklch(85.47% 0.183 128.1)
XYZ	xyz(46.6327, 65.4484, 18.5617)
Luminance	0.6545 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 5.44

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE554 #8D54E5

analogous

#E5D554 #ACE554 #64E554

triadic

#ACE554 #54ACE5 #E554AC

tetradic

#ACE554 #54E5D5 #8D54E5 #E55464

square

#ACE554 #54E5D5 #8D54E5 #E55464

split-complementary

#ACE554 #5464E5 #D554E5

monochromatic

#6EA519 #92DB21 #ACE554 #C6ED89 #E0F5BE

Accessibility & contrast

On white

1.49

#ACE554 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.09

#ACE554 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE554

14.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE554	#FFFFFF	#000000	##000000
##ACE554	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)

#F0D642

Deuteranopia (green-blind)

#E8D25F

Tritanopia (blue-blind)

#B1DBC7

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #ace554;
/* rgb */ color: rgb(172, 229, 84);
/* oklch */ color: oklch(85.5% 0.183 128.1);

Tailwind

colors: {
  custom: {
    50: '#c8ed8a',
    500: '#ace554',
    950: '#000000',
  },
}

SCSS

$custom: #ace554;
$custom-light: #c8ed8a;
$custom-dark: #000000;

JSON

{
  "hex": "#ace554",
  "rgb": {
    "r": 172,
    "g": 229,
    "b": 84
  },
  "hsl": {
    "h": 83.586,
    "s": 73.604,
    "l": 61.373
  },
  "oklch": {
    "l": 0.85467,
    "c": 0.1828,
    "h": 128.1
  },
  "luminance": 0.65449
}

Semantic roles & 50–950 ramp

primary

#ACE554

secondary

#6236A8

accent

#10D65E

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#13160C

muted

#83857F

Preview Lab

Preview with #ACE554

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

Preview Lab → · Contrast checker → · Palette generator →