#A6D638#A6D638

#A6D638 is a light, vivid yellow-green. Relative luminance 0.565; OKLCH L 81.4% C 0.186 H 125.4°. Best body text is #000000 at 12.30:1 contrast (WCAG AA passes).

Color values

HEX	#A6D638
RGB	rgb(166, 214, 56)
HSL	hsl(78, 66%, 53%)
HSV	hsv(78, 74%, 84%)
CMYK	cmyk(22.4%, 0%, 73.8%, 16.1%)
CIE-LAB	lab(79.89, -37.11, 68.10)
CIE-LCH	lch(79.89, 77.55, 118.59°)
OKLab	oklab(81.4% -0.1075 0.1513)
OKLCH	oklch(81.4% 0.186 125.4)
XYZ	xyz(40.4866, 56.4851, 12.5103)
Luminance	0.5649 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A6D638 #6838D6

analogous

#D6B738 #A6D638 #57D638

triadic

#A6D638 #38A6D6 #D638A6

tetradic

#A6D638 #38D6B7 #6838D6 #D63857

square

#A6D638 #38D6B7 #6838D6 #D63857

split-complementary

#A6D638 #3857D6 #B738D6

monochromatic

#5D7A19 #83AD24 #A6D638 #BDE06B #D3EB9D

Accessibility & contrast

On white

1.71

#A6D638 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.30

#A6D638 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A6D638

12.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A6D638	#FFFFFF	#000000	##000000
##A6D638	1.00	1.71	12.30	12.30
#FFFFFF	1.71	1.00	21.00	21.00
#000000	12.30	21.00	1.00	1.00
##000000	12.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E2C816

Deuteranopia (green-blind)

#DBC547

Tritanopia (blue-blind)

#ADCCB8

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #a6d638;
/* rgb */ color: rgb(166, 214, 56);
/* oklch */ color: oklch(81.4% 0.186 125.4);

Tailwind

colors: {
  custom: {
    50: '#c4e27a',
    500: '#a6d638',
    950: '#000000',
  },
}

SCSS

$custom: #a6d638;
$custom-light: #c4e27a;
$custom-dark: #000000;

JSON

{
  "hex": "#a6d638",
  "rgb": {
    "r": 166,
    "g": 214,
    "b": 56
  },
  "hsl": {
    "h": 78.228,
    "s": 65.833,
    "l": 52.941
  },
  "oklch": {
    "l": 0.81404,
    "c": 0.18556,
    "h": 125.4
  },
  "luminance": 0.56486
}

Semantic roles & 50–950 ramp

primary

#A6D638

secondary

#493082

accent

#3FE973

background

#FEFEFB

surface

#FAFCF2

border

#D3D5CC

text

#13150A

muted

#83847D

Preview Lab

Preview with #A6D638

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

Preview Lab → · Contrast checker → · Palette generator →