#ACF451#ACF451

#ACF451 is a very light, highly saturated yellow-green. Relative luminance 0.741; OKLCH L 88.9% C 0.204 H 130.2°. Best body text is #000000 at 15.81:1 contrast (WCAG AA passes).

Color values

HEX	#ACF451
RGB	rgb(172, 244, 81)
HSL	hsl(87, 88%, 64%)
HSV	hsv(87, 67%, 96%)
CMYK	cmyk(29.5%, 0%, 66.8%, 4.3%)
CIE-LAB	lab(88.95, -46.49, 68.41)
CIE-LCH	lch(88.95, 82.71, 124.20°)
OKLab	oklab(88.9% -0.1315 0.1554)
OKLCH	oklch(88.9% 0.204 130.2)
XYZ	xyz(50.8488, 74.0646, 19.3998)
Luminance	0.7407 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACF451 #9951F4

analogous

#F4EA51 #ACF451 #5AF451

triadic

#ACF451 #51ACF4 #F451AC

tetradic

#ACF451 #51F4EA #9951F4 #F4515A

square

#ACF451 #51F4EA #9951F4 #F4515A

split-complementary

#ACF451 #515AF4 #EA51F4

monochromatic

#70BF0C #91F017 #ACF451 #C7F88B #E3FBC4

Accessibility & contrast

On white

1.33

#ACF451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.81

#ACF451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACF451

15.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACF451	#FFFFFF	#000000	##000000
##ACF451	1.00	1.33	15.81	15.81
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.81	21.00	1.00	1.00
##000000	15.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFE339

Deuteranopia (green-blind)

#F5DE5F

Tritanopia (blue-blind)

#B0EAD3

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #acf451;
/* rgb */ color: rgb(172, 244, 81);
/* oklch */ color: oklch(88.9% 0.204 130.2);

Tailwind

colors: {
  custom: {
    50: '#c9f88a',
    500: '#acf451',
    950: '#000000',
  },
}

SCSS

$custom: #acf451;
$custom-light: #c9f88a;
$custom-dark: #000000;

JSON

{
  "hex": "#acf451",
  "rgb": {
    "r": 172,
    "g": 244,
    "b": 81
  },
  "hsl": {
    "h": 86.503,
    "s": 88.108,
    "l": 63.725
  },
  "oklch": {
    "l": 0.88902,
    "c": 0.20357,
    "h": 130.2
  },
  "luminance": 0.74066
}

Semantic roles & 50–950 ramp

primary

#ACF451

secondary

#6C2DBD

accent

#01E565

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170C

muted

#83857F

Preview Lab

Preview with #ACF451

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

Preview Lab → · Contrast checker → · Palette generator →