#ACF578#ACF578

#ACF578 is a very light, vivid yellow-green. Relative luminance 0.754; OKLCH L 89.5% C 0.174 H 133.8°. Best body text is #000000 at 16.09:1 contrast (WCAG AA passes).

Color values

HEX	#ACF578
RGB	rgb(172, 245, 120)
HSL	hsl(95, 86%, 72%)
HSV	hsv(95, 51%, 96%)
CMYK	cmyk(29.8%, 0%, 51%, 3.9%)
CIE-LAB	lab(89.59, -43.46, 52.60)
CIE-LCH	lch(89.59, 68.23, 129.57°)
OKLab	oklab(89.54% -0.1202 0.1255)
OKLCH	oklch(89.54% 0.174 133.8)
XYZ	xyz(53.0548, 75.4297, 29.5297)
Luminance	0.7543 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

#C2FF89

ΔE00 3.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACF578 #C178F5

analogous

#EBF578 #ACF578 #78F583

triadic

#ACF578 #78ACF5 #F578AC

tetradic

#ACF578 #78EBF5 #C178F5 #F58378

square

#ACF578 #78EBF5 #C178F5 #F58378

split-complementary

#ACF578 #8378F5 #F578EB

monochromatic

#68E211 #89F13F #ACF578 #CFF9B1 #EDFDE3

Accessibility & contrast

On white

1.31

#ACF578 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.09

#ACF578 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACF578

16.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACF578	#FFFFFF	#000000	##000000
##ACF578	1.00	1.31	16.09	16.09
#FFFFFF	1.31	1.00	21.00	21.00
#000000	16.09	21.00	1.00	1.00
##000000	16.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE56D

Deuteranopia (green-blind)

#F3DF80

Tritanopia (blue-blind)

#ACEDD9

Achromatopsia (no color)

#E1E1E1

Design tokens & code

CSS

--color: #acf578;
/* rgb */ color: rgb(172, 245, 120);
/* oklch */ color: oklch(89.5% 0.174 133.8);

Tailwind

colors: {
  custom: {
    50: '#c8f9a2',
    500: '#acf578',
    950: '#000000',
  },
}

SCSS

$custom: #acf578;
$custom-light: #c8f9a2;
$custom-dark: #000000;

JSON

{
  "hex": "#acf578",
  "rgb": {
    "r": 172,
    "g": 245,
    "b": 120
  },
  "hsl": {
    "h": 95.04,
    "s": 86.207,
    "l": 71.569
  },
  "oklch": {
    "l": 0.89537,
    "c": 0.17379,
    "h": 133.8
  },
  "luminance": 0.75432
}

Semantic roles & 50–950 ramp

primary

#ACF578

secondary

#9541D0

accent

#03E386

background

#FEFFFC

surface

#FAFFF5

border

#D3D7CF

text

#13170F

muted

#838580

Preview Lab

Preview with #ACF578

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

Preview Lab → · Contrast checker → · Palette generator →