#A9D640#A9D640

#A9D640 is a light, vivid yellow-green. Relative luminance 0.569; OKLCH L 81.7% C 0.179 H 124.9°. Best body text is #000000 at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#A9D640
RGB	rgb(169, 214, 64)
HSL	hsl(78, 65%, 55%)
HSV	hsv(78, 70%, 84%)
CMYK	cmyk(21%, 0%, 70.1%, 16.1%)
CIE-LAB	lab(80.12, -35.50, 65.62)
CIE-LCH	lch(80.12, 74.61, 118.42°)
OKLab	oklab(81.66% -0.1026 0.1472)
OKLCH	oklch(81.66% 0.179 124.9)
XYZ	xyz(41.3345, 56.8979, 13.6542)
Luminance	0.5690 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9D640 #6D40D6

analogous

#D6B840 #A9D640 #5ED640

triadic

#A9D640 #40A9D6 #D640A9

tetradic

#A9D640 #40D6B8 #6D40D6 #D6405E

square

#A9D640 #40D6B8 #6D40D6 #D6405E

split-complementary

#A9D640 #405ED6 #B840D6

monochromatic

#62801B #88B226 #A9D640 #C0E172 #D6ECA5

Accessibility & contrast

On white

1.70

#A9D640 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.38

#A9D640 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9D640

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9D640	#FFFFFF	#000000	##000000
##A9D640	1.00	1.70	12.38	12.38
#FFFFFF	1.70	1.00	21.00	21.00
#000000	12.38	21.00	1.00	1.00
##000000	12.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C827

Deuteranopia (green-blind)

#DCC64D

Tritanopia (blue-blind)

#B1CCB9

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #a9d640;
/* rgb */ color: rgb(169, 214, 64);
/* oklch */ color: oklch(81.7% 0.179 124.9);

Tailwind

colors: {
  custom: {
    50: '#c6e27e',
    500: '#a9d640',
    950: '#000000',
  },
}

SCSS

$custom: #a9d640;
$custom-light: #c6e27e;
$custom-dark: #000000;

JSON

{
  "hex": "#a9d640",
  "rgb": {
    "r": 169,
    "g": 214,
    "b": 64
  },
  "hsl": {
    "h": 78,
    "s": 64.655,
    "l": 54.51
  },
  "oklch": {
    "l": 0.81655,
    "c": 0.17945,
    "h": 124.9
  },
  "luminance": 0.56898
}

Semantic roles & 50–950 ramp

primary

#A9D640

secondary

#4C3387

accent

#40E872

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A9D640

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

Preview Lab → · Contrast checker → · Palette generator →