#A3DD5B#A3DD5B

#A3DD5B is a very light, vivid yellow-green. Relative luminance 0.603; OKLCH L 83.1% C 0.171 H 129.7°. Best body text is #000000 at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#A3DD5B
RGB	rgb(163, 221, 91)
HSL	hsl(87, 66%, 61%)
HSV	hsv(87, 59%, 87%)
CMYK	cmyk(26.2%, 0%, 58.8%, 13.3%)
CIE-LAB	lab(81.98, -38.92, 56.64)
CIE-LCH	lch(81.98, 68.72, 124.50°)
OKLab	oklab(83.13% -0.1094 0.1318)
OKLCH	oklch(83.13% 0.171 129.7)
XYZ	xyz(42.8487, 60.2537, 19.2681)
Luminance	0.6026 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A3DD5B #955BDD

analogous

#DDD65B #A3DD5B #62DD5B

triadic

#A3DD5B #5BA3DD #DD5BA3

tetradic

#A3DD5B #5BDDD6 #955BDD #DD5B62

square

#A3DD5B #5BDDD6 #955BDD #DD5B62

split-complementary

#A3DD5B #5B62DD #D65BDD

monochromatic

#669D21 #86D02B #A3DD5B #BFE88E #DCF2C0

Accessibility & contrast

On white

1.61

#A3DD5B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.05

#A3DD5B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A3DD5B

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A3DD5B	#FFFFFF	#000000	##000000
##A3DD5B	1.00	1.61	13.05	13.05
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.05	21.00	1.00	1.00
##000000	13.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CF4D

Deuteranopia (green-blind)

#DECA64

Tritanopia (blue-blind)

#A7D4C1

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #a3dd5b;
/* rgb */ color: rgb(163, 221, 91);
/* oklch */ color: oklch(83.1% 0.171 129.7);

Tailwind

colors: {
  custom: {
    50: '#c1e88e',
    500: '#a3dd5b',
    950: '#000000',
  },
}

SCSS

$custom: #a3dd5b;
$custom-light: #c1e88e;
$custom-dark: #000000;

JSON

{
  "hex": "#a3dd5b",
  "rgb": {
    "r": 163,
    "g": 221,
    "b": 91
  },
  "hsl": {
    "h": 86.769,
    "s": 65.657,
    "l": 61.176
  },
  "oklch": {
    "l": 0.83132,
    "c": 0.17128,
    "h": 129.7
  },
  "luminance": 0.60255
}

Semantic roles & 50–950 ramp

primary

#A3DD5B

secondary

#693BA1

accent

#18CE69

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13160D

muted

#82847F

Preview Lab

Preview with #A3DD5B

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

Preview Lab → · Contrast checker → · Palette generator →