#A9CF37#A9CF37

#A9CF37 is a light, vivid yellow-green. Relative luminance 0.533; OKLCH L 80.0% C 0.177 H 122.9°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#A9CF37
RGB	rgb(169, 207, 55)
HSL	hsl(75, 61%, 51%)
HSV	hsv(75, 73%, 81%)
CMYK	cmyk(18.4%, 0%, 73.4%, 18.8%)
CIE-LAB	lab(78.07, -32.79, 66.75)
CIE-LCH	lch(78.07, 74.37, 116.16°)
OKLab	oklab(79.98% -0.0959 0.1482)
OKLCH	oklch(79.98% 0.177 122.9)
XYZ	xyz(39.3651, 53.3363, 11.8348)
Luminance	0.5334 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9CF37 #5D37CF

analogous

#CFA937 #A9CF37 #5DCF37

triadic

#A9CF37 #37A9CF #CF37A9

tetradic

#A9CF37 #37CFA9 #5D37CF #CF375D

square

#A9CF37 #37CFA9 #5D37CF #CF375D

split-complementary

#A9CF37 #375DCF #A937CF

monochromatic

#5B711B #83A227 #A9CF37 #BEDB68 #D3E79A

Accessibility & contrast

On white

1.80

#A9CF37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#A9CF37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9CF37

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9CF37	#FFFFFF	#000000	##000000
##A9CF37	1.00	1.80	11.67	11.67
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.67	21.00	1.00	1.00
##000000	11.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DBC217

Deuteranopia (green-blind)

#D6C145

Tritanopia (blue-blind)

#B2C5B2

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #a9cf37;
/* rgb */ color: rgb(169, 207, 55);
/* oklch */ color: oklch(80.0% 0.177 122.9);

Tailwind

colors: {
  custom: {
    50: '#c6dd79',
    500: '#a9cf37',
    950: '#000000',
  },
}

SCSS

$custom: #a9cf37;
$custom-light: #c6dd79;
$custom-dark: #000000;

JSON

{
  "hex": "#a9cf37",
  "rgb": {
    "r": 169,
    "g": 207,
    "b": 55
  },
  "hsl": {
    "h": 75,
    "s": 61.29,
    "l": 51.373
  },
  "oklch": {
    "l": 0.79981,
    "c": 0.17652,
    "h": 122.9
  },
  "luminance": 0.53336
}

Semantic roles & 50–950 ramp

primary

#A9CF37

secondary

#43317A

accent

#43E46C

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A9CF37

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

Preview Lab → · Contrast checker → · Palette generator →