#ACE571#ACE571

#ACE571 is a very light, vivid yellow-green. Relative luminance 0.660; OKLCH L 85.8% C 0.158 H 130.7°. Best body text is #000000 at 14.20:1 contrast (WCAG AA passes).

Color values

HEX	#ACE571
RGB	rgb(172, 229, 113)
HSL	hsl(89, 69%, 67%)
HSV	hsv(89, 51%, 90%)
CMYK	cmyk(24.9%, 0%, 50.7%, 10.2%)
CIE-LAB	lab(85.00, -37.12, 50.32)
CIE-LCH	lch(85.00, 62.54, 126.42°)
OKLab	oklab(85.79% -0.1032 0.12)
OKLCH	oklch(85.79% 0.158 130.7)
XYZ	xyz(48.0126, 66.0004, 25.8293)
Luminance	0.6600 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACE571 #AA71E5

analogous

#E5E471 #ACE571 #72E571

triadic

#ACE571 #71ACE5 #E571AC

tetradic

#ACE571 #71E5E4 #AA71E5 #E57172

square

#ACE571 #71E5E4 #AA71E5 #E57172

split-complementary

#ACE571 #7172E5 #E471E5

monochromatic

#6FBA22 #8EDC3D #ACE571 #CAEEA5 #E8F8D8

Accessibility & contrast

On white

1.48

#ACE571 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.20

#ACE571 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACE571

14.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACE571	#FFFFFF	#000000	##000000
##ACE571	1.00	1.48	14.20	14.20
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.20	21.00	1.00	1.00
##000000	14.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED767

Deuteranopia (green-blind)

#E6D378

Tritanopia (blue-blind)

#AFDDCA

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #ace571;
/* rgb */ color: rgb(172, 229, 113);
/* oklch */ color: oklch(85.8% 0.158 130.7);

Tailwind

colors: {
  custom: {
    50: '#c7ed9c',
    500: '#ace571',
    950: '#000000',
  },
}

SCSS

$custom: #ace571;
$custom-light: #c7ed9c;
$custom-dark: #000000;

JSON

{
  "hex": "#ace571",
  "rgb": {
    "r": 172,
    "g": 229,
    "b": 113
  },
  "hsl": {
    "h": 89.483,
    "s": 69.048,
    "l": 67.059
  },
  "oklch": {
    "l": 0.85787,
    "c": 0.15824,
    "h": 130.7
  },
  "luminance": 0.66002
}

Semantic roles & 50–950 ramp

primary

#ACE571

secondary

#7C41BA

accent

#14D171

background

#FEFFFC

surface

#FAFEF5

border

#D3D6CF

text

#13160E

muted

#83857F

Preview Lab

Preview with #ACE571

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

Preview Lab → · Contrast checker → · Palette generator →