#A9DD63#A9DD63

#A9DD63 is a very light, vivid yellow-green. Relative luminance 0.610; OKLCH L 83.6% C 0.162 H 128.7°. Best body text is #000000 at 13.21:1 contrast (WCAG AA passes).

Color values

HEX	#A9DD63
RGB	rgb(169, 221, 99)
HSL	hsl(86, 64%, 63%)
HSV	hsv(86, 55%, 87%)
CMYK	cmyk(23.5%, 0%, 55.2%, 13.3%)
CIE-LAB	lab(82.40, -35.99, 53.67)
CIE-LCH	lch(82.40, 64.62, 123.85°)
OKLab	oklab(83.6% -0.101 0.1261)
OKLCH	oklch(83.6% 0.162 128.7)
XYZ	xyz(44.4705, 61.0479, 21.2424)
Luminance	0.6105 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9DD63 #9763DD

analogous

#DDD463 #A9DD63 #6CDD63

triadic

#A9DD63 #63A9DD #DD63A9

tetradic

#A9DD63 #63DDD4 #9763DD #DD636C

square

#A9DD63 #63DDD4 #9763DD #DD636C

split-complementary

#A9DD63 #636CDD #D463DD

monochromatic

#6CA223 #8DD231 #A9DD63 #C5E895 #E0F3C7

Accessibility & contrast

On white

1.59

#A9DD63 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.21

#A9DD63 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9DD63

13.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9DD63	#FFFFFF	#000000	##000000
##A9DD63	1.00	1.59	13.21	13.21
#FFFFFF	1.59	1.00	21.00	21.00
#000000	13.21	21.00	1.00	1.00
##000000	13.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CF57

Deuteranopia (green-blind)

#DFCC6B

Tritanopia (blue-blind)

#ADD4C2

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #a9dd63;
/* rgb */ color: rgb(169, 221, 99);
/* oklch */ color: oklch(83.6% 0.162 128.7);

Tailwind

colors: {
  custom: {
    50: '#c5e793',
    500: '#a9dd63',
    950: '#000000',
  },
}

SCSS

$custom: #a9dd63;
$custom-light: #c5e793;
$custom-dark: #000000;

JSON

{
  "hex": "#a9dd63",
  "rgb": {
    "r": 169,
    "g": 221,
    "b": 99
  },
  "hsl": {
    "h": 85.574,
    "s": 64.211,
    "l": 62.745
  },
  "oklch": {
    "l": 0.83595,
    "c": 0.16157,
    "h": 128.7
  },
  "luminance": 0.61049
}

Semantic roles & 50–950 ramp

primary

#A9DD63

secondary

#6B3FA5

accent

#19CC66

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13160D

muted

#82847F

Preview Lab

Preview with #A9DD63

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

Preview Lab → · Contrast checker → · Palette generator →