#AACF37#AACF37

#AACF37 is a light, vivid yellow-green. Relative luminance 0.534; OKLCH L 80.1% C 0.176 H 122.6°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#AACF37
RGB	rgb(170, 207, 55)
HSL	hsl(75, 61%, 51%)
HSV	hsv(75, 73%, 81%)
CMYK	cmyk(17.9%, 0%, 73.4%, 18.8%)
CIE-LAB	lab(78.14, -32.39, 66.83)
CIE-LCH	lch(78.14, 74.27, 115.86°)
OKLab	oklab(80.05% -0.0949 0.1484)
OKLCH	oklch(80.05% 0.176 122.6)
XYZ	xyz(39.5805, 53.4474, 11.8449)
Luminance	0.5345 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AACF37 #5C37CF

analogous

#CFA837 #AACF37 #5ECF37

triadic

#AACF37 #37AACF #CF37AA

tetradic

#AACF37 #37CFA8 #5C37CF #CF375E

square

#AACF37 #37CFA8 #5C37CF #CF375E

split-complementary

#AACF37 #375ECF #A837CF

monochromatic

#5C711B #84A227 #AACF37 #BFDB68 #D4E79A

Accessibility & contrast

On white

1.80

#AACF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.69

#AACF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AACF37

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AACF37	#FFFFFF	#000000	##000000
##AACF37	1.00	1.80	11.69	11.69
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.69	21.00	1.00	1.00
##000000	11.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC217

Deuteranopia (green-blind)

#D6C145

Tritanopia (blue-blind)

#B3C4B2

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #aacf37;
/* rgb */ color: rgb(170, 207, 55);
/* oklch */ color: oklch(80.1% 0.176 122.6);

Tailwind

colors: {
  custom: {
    50: '#c7dd79',
    500: '#aacf37',
    950: '#000000',
  },
}

SCSS

$custom: #aacf37;
$custom-light: #c7dd79;
$custom-dark: #000000;

JSON

{
  "hex": "#aacf37",
  "rgb": {
    "r": 170,
    "g": 207,
    "b": 55
  },
  "hsl": {
    "h": 74.605,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.80051,
    "c": 0.17609,
    "h": 122.6
  },
  "luminance": 0.53448
}

Semantic roles & 50–950 ramp

primary

#AACF37

secondary

#42317A

accent

#43E46B

background

#FEFEFB

surface

#FBFCF2

border

#D4D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #AACF37

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

Preview Lab → · Contrast checker → · Palette generator →