#A6CA39#A6CA39

#A6CA39 is a light, vivid yellow-green. Relative luminance 0.506; OKLCH L 78.6% C 0.171 H 122.7°. Best body text is #000000 at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#A6CA39
RGB	rgb(166, 202, 57)
HSL	hsl(75, 58%, 51%)
HSV	hsv(75, 72%, 79%)
CMYK	cmyk(17.8%, 0%, 71.8%, 20.8%)
CIE-LAB	lab(76.46, -31.55, 64.43)
CIE-LCH	lch(76.46, 71.74, 116.09°)
OKLab	oklab(78.63% -0.0921 0.1437)
OKLCH	oklch(78.63% 0.171 122.7)
XYZ	xyz(37.5854, 50.6433, 11.6651)
Luminance	0.5064 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6CA39 #5D39CA

analogous

#CAA639 #A6CA39 #5DCA39

triadic

#A6CA39 #39A6CA #CA39A6

tetradic

#A6CA39 #39CAA6 #5D39CA #CA395D

square

#A6CA39 #39CAA6 #5D39CA #CA395D

split-complementary

#A6CA39 #395DCA #A639CA

monochromatic

#586C1D #809C2A #A6CA39 #BCD769 #D1E49A

Accessibility & contrast

On white

1.89

#A6CA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.13

#A6CA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A6CA39

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6CA39	#FFFFFF	#000000	##000000
##A6CA39	1.00	1.89	11.13	11.13
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.13	21.00	1.00	1.00
##000000	11.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6BE1E

Deuteranopia (green-blind)

#D1BD46

Tritanopia (blue-blind)

#AFC0AE

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #a6ca39;
/* rgb */ color: rgb(166, 202, 57);
/* oklch */ color: oklch(78.6% 0.171 122.7);

Tailwind

colors: {
  custom: {
    50: '#c4da79',
    500: '#a6ca39',
    950: '#000000',
  },
}

SCSS

$custom: #a6ca39;
$custom-light: #c4da79;
$custom-dark: #000000;

JSON

{
  "hex": "#a6ca39",
  "rgb": {
    "r": 166,
    "g": 202,
    "b": 57
  },
  "hsl": {
    "h": 74.897,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.78634,
    "c": 0.17073,
    "h": 122.7
  },
  "luminance": 0.50643
}

Semantic roles & 50–950 ramp

primary

#A6CA39

secondary

#433275

accent

#47E16D

background

#FDFEFB

surface

#F9FBF2

border

#D2D4CC

text

#13140A

muted

#82837D

Preview Lab

Preview with #A6CA39

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

Preview Lab → · Contrast checker → · Palette generator →