#ACF15B#ACF15B

#ACF15B is a very light, vivid yellow-green. Relative luminance 0.724; OKLCH L 88.3% C 0.193 H 130.5°. Best body text is #000000 at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#ACF15B
RGB	rgb(172, 241, 91)
HSL	hsl(88, 84%, 65%)
HSV	hsv(88, 62%, 95%)
CMYK	cmyk(28.6%, 0%, 62.2%, 5.5%)
CIE-LAB	lab(88.18, -44.46, 63.65)
CIE-LCH	lch(88.18, 77.64, 124.93°)
OKLab	oklab(88.3% -0.1251 0.1466)
OKLCH	oklch(88.3% 0.193 130.5)
XYZ	xyz(50.3565, 72.4351, 21.2237)
Luminance	0.7244 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ACF15B #A05BF1

analogous

#F1EB5B #ACF15B #61F15B

triadic

#ACF15B #5BACF1 #F15BAC

tetradic

#ACF15B #5BF1EB #A05BF1 #F15B61

square

#ACF15B #5BF1EB #A05BF1 #F15B61

split-complementary

#ACF15B #5B61F1 #EB5BF1

monochromatic

#70C110 #8FEC23 #ACF15B #C9F693 #E5FBCC

Accessibility & contrast

On white

1.36

#ACF15B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.49

#ACF15B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ACF15B

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ACF15B	#FFFFFF	#000000	##000000
##ACF15B	1.00	1.36	15.49	15.49
#FFFFFF	1.36	1.00	21.00	21.00
#000000	15.49	21.00	1.00	1.00
##000000	15.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBE149

Deuteranopia (green-blind)

#F2DC67

Tritanopia (blue-blind)

#B0E7D2

Achromatopsia (no color)

#DDDDDD

Design tokens & code

CSS

--color: #acf15b;
/* rgb */ color: rgb(172, 241, 91);
/* oklch */ color: oklch(88.3% 0.193 130.5);

Tailwind

colors: {
  custom: {
    50: '#c9f68f',
    500: '#acf15b',
    950: '#000000',
  },
}

SCSS

$custom: #acf15b;
$custom-light: #c9f68f;
$custom-dark: #000000;

JSON

{
  "hex": "#acf15b",
  "rgb": {
    "r": 172,
    "g": 241,
    "b": 91
  },
  "hsl": {
    "h": 87.6,
    "s": 84.27,
    "l": 65.098
  },
  "oklch": {
    "l": 0.88296,
    "c": 0.19275,
    "h": 130.5
  },
  "luminance": 0.72437
}

Semantic roles & 50–950 ramp

primary

#ACF15B

secondary

#7231BF

accent

#05E16A

background

#FEFFFC

surface

#FBFEF4

border

#D4D6CE

text

#14170D

muted

#83857F

Preview Lab

Preview with #ACF15B

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

Preview Lab → · Contrast checker → · Palette generator →