#ACF178#ACF178

#ACF178 is a very light, vivid yellow-green. Relative luminance 0.730; OKLCH L 88.6% C 0.168 H 133.3°. Best body text is #000000 at 15.61:1 contrast (WCAG AA passes).

Color values

HEX	#ACF178
RGB	rgb(172, 241, 120)
HSL	hsl(94, 81%, 71%)
HSV	hsv(94, 50%, 95%)
CMYK	cmyk(28.6%, 0%, 50.2%, 5.5%)
CIE-LAB	lab(88.46, -41.71, 51.24)
CIE-LCH	lch(88.46, 66.07, 129.15°)
OKLab	oklab(88.62% -0.1154 0.1225)
OKLCH	oklch(88.62% 0.168 133.3)
XYZ	xyz(51.8578, 73.0356, 29.1307)
Luminance	0.7304 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Light Yellowish Green

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACF178 #BD78F1

analogous

#E8F178 #ACF178 #78F180

triadic

#ACF178 #78ACF1 #F178AC

tetradic

#ACF178 #78E8F1 #BD78F1 #F18078

square

#ACF178 #78E8F1 #BD78F1 #F18078

split-complementary

#ACF178 #8078F1 #F178E8

monochromatic

#6AD816 #8AEB41 #ACF178 #CEF7AF #EEFCE3

Accessibility & contrast

On white

1.35

#ACF178 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.61

#ACF178 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACF178

15.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACF178	#FFFFFF	#000000	##000000
##ACF178	1.00	1.35	15.61	15.61
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.61	21.00	1.00	1.00
##000000	15.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F9E26D

Deuteranopia (green-blind)

#EFDC80

Tritanopia (blue-blind)

#ADE9D5

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #acf178;
/* rgb */ color: rgb(172, 241, 120);
/* oklch */ color: oklch(88.6% 0.168 133.3);

Tailwind

colors: {
  custom: {
    50: '#c7f6a1',
    500: '#acf178',
    950: '#000000',
  },
}

SCSS

$custom: #acf178;
$custom-light: #c7f6a1;
$custom-dark: #000000;

JSON

{
  "hex": "#acf178",
  "rgb": {
    "r": 172,
    "g": 241,
    "b": 120
  },
  "hsl": {
    "h": 94.215,
    "s": 81.208,
    "l": 70.784
  },
  "oklch": {
    "l": 0.88622,
    "c": 0.16829,
    "h": 133.3
  },
  "luminance": 0.73037
}

Semantic roles & 50–950 ramp

primary

#ACF178

secondary

#9042CB

accent

#08DE82

background

#FEFFFC

surface

#FAFEF5

border

#D3D6CF

text

#13170F

muted

#838580

Preview Lab

Preview with #ACF178

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

Preview Lab → · Contrast checker → · Palette generator →