#A6D440#A6D440

#A6D440 is a light, vivid yellow-green. Relative luminance 0.556; OKLCH L 81.0% C 0.178 H 125.3°. Best body text is #000000 at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#A6D440
RGB	rgb(166, 212, 64)
HSL	hsl(79, 63%, 54%)
HSV	hsv(79, 70%, 83%)
CMYK	cmyk(21.7%, 0%, 69.8%, 16.9%)
CIE-LAB	lab(79.36, -35.75, 64.80)
CIE-LCH	lch(79.36, 74.01, 118.89°)
OKLab	oklab(80.99% -0.1031 0.1456)
OKLCH	oklch(80.99% 0.178 125.3)
XYZ	xyz(40.1950, 55.5636, 13.4567)
Luminance	0.5556 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6D440 #6E40D4

analogous

#D4B840 #A6D440 #5CD440

triadic

#A6D440 #40A6D4 #D440A6

tetradic

#A6D440 #40D4B8 #6E40D4 #D4405C

square

#A6D440 #40D4B8 #6E40D4 #D4405C

split-complementary

#A6D440 #405CD4 #B840D4

monochromatic

#5F7D1C #85AF27 #A6D440 #BDDF72 #D5EAA4

Accessibility & contrast

On white

1.73

#A6D440 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.11

#A6D440 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A6D440

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6D440	#FFFFFF	#000000	##000000
##A6D440	1.00	1.73	12.11	12.11
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.11	21.00	1.00	1.00
##000000	12.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFC628

Deuteranopia (green-blind)

#D9C44D

Tritanopia (blue-blind)

#ADCAB7

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #a6d440;
/* rgb */ color: rgb(166, 212, 64);
/* oklch */ color: oklch(81.0% 0.178 125.3);

Tailwind

colors: {
  custom: {
    50: '#c4e17e',
    500: '#a6d440',
    950: '#000000',
  },
}

SCSS

$custom: #a6d440;
$custom-light: #c4e17e;
$custom-dark: #000000;

JSON

{
  "hex": "#a6d440",
  "rgb": {
    "r": 166,
    "g": 212,
    "b": 64
  },
  "hsl": {
    "h": 78.649,
    "s": 63.248,
    "l": 54.118
  },
  "oklch": {
    "l": 0.80994,
    "c": 0.17839,
    "h": 125.3
  },
  "luminance": 0.55564
}

Semantic roles & 50–950 ramp

primary

#A6D440

secondary

#4D3385

accent

#42E675

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A6D440

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

Preview Lab → · Contrast checker → · Palette generator →