#ACEF63#ACEF63

#ACEF63 is a very light, vivid yellow-green. Relative luminance 0.714; OKLCH L 87.9% C 0.184 H 130.8°. Best body text is #000000 at 15.28:1 contrast (WCAG AA passes).

Color values

HEX	#ACEF63
RGB	rgb(172, 239, 99)
HSL	hsl(89, 81%, 66%)
HSV	hsv(89, 59%, 94%)
CMYK	cmyk(28%, 0%, 58.6%, 6.3%)
CIE-LAB	lab(87.68, -42.92, 59.75)
CIE-LCH	lch(87.68, 73.56, 125.69°)
OKLab	oklab(87.92% -0.1203 0.1392)
OKLCH	oklch(87.92% 0.184 130.8)
XYZ	xyz(50.1314, 71.4031, 22.9429)
Luminance	0.7140 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACEF63 #A663EF

analogous

#EFEC63 #ACEF63 #66EF63

triadic

#ACEF63 #63ACEF #EF63AC

tetradic

#ACEF63 #63EFEC #A663EF #EF6366

square

#ACEF63 #63EFEC #A663EF #EF6366

split-complementary

#ACEF63 #6366EF #EC63EF

monochromatic

#70C414 #8EE92B #ACEF63 #CAF59B #E7FAD2

Accessibility & contrast

On white

1.37

#ACEF63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.28

#ACEF63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACEF63

15.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACEF63	#FFFFFF	#000000	##000000
##ACEF63	1.00	1.37	15.28	15.28
#FFFFFF	1.37	1.00	21.00	21.00
#000000	15.28	21.00	1.00	1.00
##000000	15.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9DF54

Deuteranopia (green-blind)

#EFDA6D

Tritanopia (blue-blind)

#AFE6D1

Achromatopsia (no color)

#DCDCDC

Design tokens & code

CSS

--color: #acef63;
/* rgb */ color: rgb(172, 239, 99);
/* oklch */ color: oklch(87.9% 0.184 130.8);

Tailwind

colors: {
  custom: {
    50: '#c8f494',
    500: '#acef63',
    950: '#000000',
  },
}

SCSS

$custom: #acef63;
$custom-light: #c8f494;
$custom-dark: #000000;

JSON

{
  "hex": "#acef63",
  "rgb": {
    "r": 172,
    "g": 239,
    "b": 99
  },
  "hsl": {
    "h": 88.714,
    "s": 81.395,
    "l": 66.275
  },
  "oklch": {
    "l": 0.87915,
    "c": 0.18393,
    "h": 130.8
  },
  "luminance": 0.71405
}

Semantic roles & 50–950 ramp

primary

#ACEF63

secondary

#7835C1

accent

#08DE6E

background

#FEFFFC

surface

#FAFEF5

border

#D3D6CF

text

#13170D

muted

#83857F

Preview Lab

Preview with #ACEF63

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

Preview Lab → · Contrast checker → · Palette generator →