#A1D840#A1D840

#A1D840 is a light, vivid yellow-green. Relative luminance 0.571; OKLCH L 81.6% C 0.186 H 127.5°. Best body text is #000000 at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#A1D840
RGB	rgb(161, 216, 64)
HSL	hsl(82, 66%, 55%)
HSV	hsv(82, 70%, 85%)
CMYK	cmyk(25.5%, 0%, 70.4%, 15.3%)
CIE-LAB	lab(80.21, -39.45, 65.55)
CIE-LCH	lch(80.21, 76.51, 121.04°)
OKLab	oklab(81.6% -0.113 0.1473)
OKLCH	oklch(81.6% 0.186 127.5)
XYZ	xyz(40.1793, 57.0582, 13.7460)
Luminance	0.5706 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1D840 #7740D8

analogous

#D8C340 #A1D840 #55D840

triadic

#A1D840 #40A1D8 #D840A1

tetradic

#A1D840 #40D8C3 #7740D8 #D84055

square

#A1D840 #40D8C3 #7740D8 #D84055

split-complementary

#A1D840 #4055D8 #C340D8

monochromatic

#5D831B #81B625 #A1D840 #BAE273 #D3EDA6

Accessibility & contrast

On white

1.69

#A1D840 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.41

#A1D840 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1D840

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1D840	#FFFFFF	#000000	##000000
##A1D840	1.00	1.69	12.41	12.41
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.41	21.00	1.00	1.00
##000000	12.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3C926

Deuteranopia (green-blind)

#DBC64D

Tritanopia (blue-blind)

#A7CEBA

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #a1d840;
/* rgb */ color: rgb(161, 216, 64);
/* oklch */ color: oklch(81.6% 0.186 127.5);

Tailwind

colors: {
  custom: {
    50: '#c1e47e',
    500: '#a1d840',
    950: '#000000',
  },
}

SCSS

$custom: #a1d840;
$custom-light: #c1e47e;
$custom-dark: #000000;

JSON

{
  "hex": "#a1d840",
  "rgb": {
    "r": 161,
    "g": 216,
    "b": 64
  },
  "hsl": {
    "h": 81.711,
    "s": 66.087,
    "l": 54.902
  },
  "oklch": {
    "l": 0.81603,
    "c": 0.18559,
    "h": 127.5
  },
  "luminance": 0.57059
}

Semantic roles & 50–950 ramp

primary

#A1D840

secondary

#52338A

accent

#3FE97C

background

#FDFEFB

surface

#F9FCF2

border

#D2D5CC

text

#13150A

muted

#82847D

Preview Lab

Preview with #A1D840

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

Preview Lab → · Contrast checker → · Palette generator →