#A1C837#A1C837

#A1C837 is a light, vivid yellow-green. Relative luminance 0.492; OKLCH L 77.8% C 0.172 H 123.7°. Best body text is #000000 at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#A1C837
RGB	rgb(161, 200, 55)
HSL	hsl(76, 57%, 50%)
HSV	hsv(76, 73%, 78%)
CMYK	cmyk(19.5%, 0%, 72.5%, 21.6%)
CIE-LAB	lab(75.55, -32.71, 64.13)
CIE-LCH	lch(75.55, 71.99, 117.03°)
OKLab	oklab(77.81% -0.0952 0.1429)
OKLCH	oklch(77.81% 0.172 123.7)
XYZ	xyz(36.0422, 49.1612, 11.2039)
Luminance	0.4916 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1C837 #5E37C8

analogous

#C8A737 #A1C837 #58C837

triadic

#A1C837 #37A1C8 #C837A1

tetradic

#A1C837 #37C8A7 #5E37C8 #C83758

square

#A1C837 #37C8A7 #5E37C8 #C83758

split-complementary

#A1C837 #3758C8 #A737C8

monochromatic

#54681D #7A982A #A1C837 #B8D567 #CEE297

Accessibility & contrast

On white

1.94

#A1C837 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.83

#A1C837 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1C837

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1C837	#FFFFFF	#000000	##000000
##A1C837	1.00	1.94	10.83	10.83
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.83	21.00	1.00	1.00
##000000	10.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BB1B

Deuteranopia (green-blind)

#CEBA44

Tritanopia (blue-blind)

#A9BEAC

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #a1c837;
/* rgb */ color: rgb(161, 200, 55);
/* oklch */ color: oklch(77.8% 0.172 123.7);

Tailwind

colors: {
  custom: {
    50: '#c0d878',
    500: '#a1c837',
    950: '#000000',
  },
}

SCSS

$custom: #a1c837;
$custom-light: #c0d878;
$custom-dark: #000000;

JSON

{
  "hex": "#a1c837",
  "rgb": {
    "r": 161,
    "g": 200,
    "b": 55
  },
  "hsl": {
    "h": 76.138,
    "s": 56.863,
    "l": 50
  },
  "oklch": {
    "l": 0.7781,
    "c": 0.17172,
    "h": 123.7
  },
  "luminance": 0.49161
}

Semantic roles & 50–950 ramp

primary

#A1C837

secondary

#9E8DCE

accent

#48E071

background

#FCFDF7

surface

#F8FAEE

border

#D1D3C9

text

#131409

muted

#82837B

Preview Lab

Preview with #A1C837

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

Preview Lab → · Contrast checker → · Palette generator →