#ACF45A#ACF45A

#ACF45A is a very light, vivid yellow-green. Relative luminance 0.742; OKLCH L 89.0% C 0.197 H 130.8°. Best body text is #000000 at 15.84:1 contrast (WCAG AA passes).

Color values

HEX	#ACF45A
RGB	rgb(172, 244, 90)
HSL	hsl(88, 88%, 65%)
HSV	hsv(88, 63%, 96%)
CMYK	cmyk(29.5%, 0%, 63.1%, 4.3%)
CIE-LAB	lab(89.02, -45.82, 64.98)
CIE-LCH	lch(89.02, 79.51, 125.19°)
OKLab	oklab(88.98% -0.129 0.1493)
OKLCH	oklch(88.98% 0.197 130.8)
XYZ	xyz(51.2089, 74.2086, 21.2965)
Luminance	0.7421 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 2.90

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACF45A #A25AF4

analogous

#F4EF5A #ACF45A #5FF45A

triadic

#ACF45A #5AACF4 #F45AAC

tetradic

#ACF45A #5AF4EF #A25AF4 #F45A5F

square

#ACF45A #5AF4EF #A25AF4 #F45A5F

split-complementary

#ACF45A #5A5FF4 #EF5AF4

monochromatic

#70C60D #8FF021 #ACF45A #C9F893 #E6FCCD

Accessibility & contrast

On white

1.33

#ACF45A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.84

#ACF45A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACF45A

15.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACF45A	#FFFFFF	#000000	##000000
##ACF45A	1.00	1.33	15.84	15.84
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.84	21.00	1.00	1.00
##000000	15.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FEE347

Deuteranopia (green-blind)

#F4DE66

Tritanopia (blue-blind)

#AFEAD4

Achromatopsia (no color)

#E0E0E0

Design tokens & code

CSS

--color: #acf45a;
/* rgb */ color: rgb(172, 244, 90);
/* oklch */ color: oklch(89.0% 0.197 130.8);

Tailwind

colors: {
  custom: {
    50: '#c9f88f',
    500: '#acf45a',
    950: '#000000',
  },
}

SCSS

$custom: #acf45a;
$custom-light: #c9f88f;
$custom-dark: #000000;

JSON

{
  "hex": "#acf45a",
  "rgb": {
    "r": 172,
    "g": 244,
    "b": 90
  },
  "hsl": {
    "h": 88.052,
    "s": 87.5,
    "l": 65.49
  },
  "oklch": {
    "l": 0.88979,
    "c": 0.19728,
    "h": 130.8
  },
  "luminance": 0.7421
}

Semantic roles & 50–950 ramp

primary

#ACF45A

secondary

#742FC3

accent

#01E46B

background

#FEFFFC

surface

#FBFFF4

border

#D4D7CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #ACF45A

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

Preview Lab → · Contrast checker → · Palette generator →