#A9CA39#A9CA39

#A9CA39 is a light, vivid yellow-green. Relative luminance 0.510; OKLCH L 78.8% C 0.169 H 121.7°. Best body text is #000000 at 11.19:1 contrast (WCAG AA passes).

Color values

HEX	#A9CA39
RGB	rgb(169, 202, 57)
HSL	hsl(74, 58%, 51%)
HSV	hsv(74, 72%, 79%)
CMYK	cmyk(16.3%, 0%, 71.8%, 20.8%)
CIE-LAB	lab(76.66, -30.35, 64.69)
CIE-LCH	lch(76.66, 71.46, 115.13°)
OKLab	oklab(78.85% -0.089 0.1442)
OKLCH	oklch(78.85% 0.169 121.7)
XYZ	xyz(38.2218, 50.9715, 11.6950)
Luminance	0.5097 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9CA39 #5A39CA

analogous

#CAA239 #A9CA39 #60CA39

triadic

#A9CA39 #39A9CA #CA39A9

tetradic

#A9CA39 #39CAA2 #5A39CA #CA3960

square

#A9CA39 #39CAA2 #5A39CA #CA3960

split-complementary

#A9CA39 #3960CA #A239CA

monochromatic

#5A6C1D #829C2A #A9CA39 #BED769 #D3E49A

Accessibility & contrast

On white

1.88

#A9CA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.19

#A9CA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9CA39

11.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9CA39	#FFFFFF	#000000	##000000
##A9CA39	1.00	1.88	11.19	11.19
#FFFFFF	1.88	1.00	21.00	21.00
#000000	11.19	21.00	1.00	1.00
##000000	11.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE1E

Deuteranopia (green-blind)

#D2BD45

Tritanopia (blue-blind)

#B2C0AE

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #a9ca39;
/* rgb */ color: rgb(169, 202, 57);
/* oklch */ color: oklch(78.8% 0.169 121.7);

Tailwind

colors: {
  custom: {
    50: '#c6da79',
    500: '#a9ca39',
    950: '#000000',
  },
}

SCSS

$custom: #a9ca39;
$custom-light: #c6da79;
$custom-dark: #000000;

JSON

{
  "hex": "#a9ca39",
  "rgb": {
    "r": 169,
    "g": 202,
    "b": 57
  },
  "hsl": {
    "h": 73.655,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.78845,
    "c": 0.16946,
    "h": 121.7
  },
  "luminance": 0.50971
}

Semantic roles & 50–950 ramp

primary

#A9CA39

secondary

#413275

accent

#47E16A

background

#FEFEFB

surface

#FAFBF2

border

#D3D4CC

text

#13140A

muted

#83837D

Preview Lab

Preview with #A9CA39

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

Preview Lab → · Contrast checker → · Palette generator →