#A1CA55#A1CA55

#A1CA55 is a light, vivid yellow-green. Relative luminance 0.505; OKLCH L 78.5% C 0.152 H 125.9°. Best body text is #000000 at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#A1CA55
RGB	rgb(161, 202, 85)
HSL	hsl(81, 52%, 56%)
HSV	hsv(81, 58%, 79%)
CMYK	cmyk(20.3%, 0%, 57.9%, 20.8%)
CIE-LAB	lab(76.36, -31.52, 52.91)
CIE-LCH	lch(76.36, 61.59, 120.78°)
OKLab	oklab(78.54% -0.0893 0.1232)
OKLCH	oklch(78.54% 0.152 125.9)
XYZ	xyz(37.4582, 50.4736, 16.3615)
Luminance	0.5047 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1CA55 #7E55CA

analogous

#CAB955 #A1CA55 #67CA55

triadic

#A1CA55 #55A1CA #CA55A1

tetradic

#A1CA55 #55CAB9 #7E55CA #CA5567

square

#A1CA55 #55CAB9 #7E55CA #CA5567

split-complementary

#A1CA55 #5567CA #B955CA

monochromatic

#5F7D27 #83AC36 #A1CA55 #BBD984 #D5E7B2

Accessibility & contrast

On white

1.89

#A1CA55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.09

#A1CA55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1CA55

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1CA55	#FFFFFF	#000000	##000000
##A1CA55	1.00	1.89	11.09	11.09
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.09	21.00	1.00	1.00
##000000	11.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BE49

Deuteranopia (green-blind)

#CEBC5D

Tritanopia (blue-blind)

#A7C1B1

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a1ca55;
/* rgb */ color: rgb(161, 202, 85);
/* oklch */ color: oklch(78.5% 0.152 125.9);

Tailwind

colors: {
  custom: {
    50: '#bfda89',
    500: '#a1ca55',
    950: '#000000',
  },
}

SCSS

$custom: #a1ca55;
$custom-light: #bfda89;
$custom-dark: #000000;

JSON

{
  "hex": "#a1ca55",
  "rgb": {
    "r": 161,
    "g": 202,
    "b": 85
  },
  "hsl": {
    "h": 81.026,
    "s": 52.466,
    "l": 56.275
  },
  "oklch": {
    "l": 0.78538,
    "c": 0.15217,
    "h": 125.9
  },
  "luminance": 0.50474
}

Semantic roles & 50–950 ramp

primary

#A1CA55

secondary

#573E85

accent

#4CDC7E

background

#FDFEFC

surface

#F9FBF4

border

#D2D4CE

text

#12140C

muted

#82837F

Preview Lab

Preview with #A1CA55

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

Preview Lab → · Contrast checker → · Palette generator →