#ACF251#ACF251

#ACF251 is a very light, highly saturated yellow-green. Relative luminance 0.729; OKLCH L 88.4% C 0.201 H 130.0°. Best body text is #000000 at 15.57:1 contrast (WCAG AA passes).

Color values

HEX	#ACF251
RGB	rgb(172, 242, 81)
HSL	hsl(86, 86%, 63%)
HSV	hsv(86, 67%, 95%)
CMYK	cmyk(28.9%, 0%, 66.5%, 5.1%)
CIE-LAB	lab(88.38, -45.63, 67.82)
CIE-LCH	lch(88.38, 81.74, 123.94°)
OKLab	oklab(88.44% -0.1292 0.1542)
OKLCH	oklch(88.44% 0.201 130)
XYZ	xyz(50.2503, 72.8676, 19.2003)
Luminance	0.7287 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACF251 #9751F2

analogous

#F2E751 #ACF251 #5BF251

triadic

#ACF251 #51ACF2 #F251AC

tetradic

#ACF251 #51F2E7 #9751F2 #F2515B

square

#ACF251 #51F2E7 #9751F2 #F2515B

split-complementary

#ACF251 #515BF2 #E751F2

monochromatic

#70BB0E #91EE18 #ACF251 #C7F68A #E2FBC3

Accessibility & contrast

On white

1.35

#ACF251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.57

#ACF251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACF251

15.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACF251	#FFFFFF	#000000	##000000
##ACF251	1.00	1.35	15.57	15.57
#FFFFFF	1.35	1.00	21.00	21.00
#000000	15.57	21.00	1.00	1.00
##000000	15.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FDE13A

Deuteranopia (green-blind)

#F3DC5E

Tritanopia (blue-blind)

#B0E8D1

Achromatopsia (no color)

#DEDEDE

Design tokens & code

CSS

--color: #acf251;
/* rgb */ color: rgb(172, 242, 81);
/* oklch */ color: oklch(88.4% 0.201 130.0);

Tailwind

colors: {
  custom: {
    50: '#c9f68a',
    500: '#acf251',
    950: '#000000',
  },
}

SCSS

$custom: #acf251;
$custom-light: #c9f68a;
$custom-dark: #000000;

JSON

{
  "hex": "#acf251",
  "rgb": {
    "r": 172,
    "g": 242,
    "b": 81
  },
  "hsl": {
    "h": 86.087,
    "s": 86.096,
    "l": 63.333
  },
  "oklch": {
    "l": 0.88439,
    "c": 0.20111,
    "h": 130
  },
  "luminance": 0.72869
}

Semantic roles & 50–950 ramp

primary

#ACF251

secondary

#6B2EB9

accent

#03E364

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170C

muted

#83857F

Preview Lab

Preview with #ACF251

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

Preview Lab → · Contrast checker → · Palette generator →