#A1CA38#A1CA38

#A1CA38 is a light, vivid yellow-green. Relative luminance 0.501; OKLCH L 78.3% C 0.174 H 124.2°. Best body text is #000000 at 11.02:1 contrast (WCAG AA passes).

Color values

HEX	#A1CA38
RGB	rgb(161, 202, 56)
HSL	hsl(77, 58%, 51%)
HSV	hsv(77, 72%, 79%)
CMYK	cmyk(20.3%, 0%, 72.3%, 20.8%)
CIE-LAB	lab(76.13, -33.58, 64.35)
CIE-LCH	lch(76.13, 72.58, 117.56°)
OKLab	oklab(78.28% -0.0975 0.1435)
OKLCH	oklch(78.28% 0.174 124.2)
XYZ	xyz(36.5326, 50.1033, 11.4869)
Luminance	0.5010 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A1CA38 #6138CA

analogous

#CAAA38 #A1CA38 #58CA38

triadic

#A1CA38 #38A1CA #CA38A1

tetradic

#A1CA38 #38CAAA #6138CA #CA3858

square

#A1CA38 #38CAAA #6138CA #CA3858

split-complementary

#A1CA38 #3858CA #AA38CA

monochromatic

#556B1D #7B9B29 #A1CA38 #B8D768 #CFE499

Accessibility & contrast

On white

1.91

#A1CA38 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.02

#A1CA38 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A1CA38

11.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A1CA38	#FFFFFF	#000000	##000000
##A1CA38	1.00	1.91	11.02	11.02
#FFFFFF	1.91	1.00	21.00	21.00
#000000	11.02	21.00	1.00	1.00
##000000	11.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BD1C

Deuteranopia (green-blind)

#D0BB45

Tritanopia (blue-blind)

#A9C0AE

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #a1ca38;
/* rgb */ color: rgb(161, 202, 56);
/* oklch */ color: oklch(78.3% 0.174 124.2);

Tailwind

colors: {
  custom: {
    50: '#c1da78',
    500: '#a1ca38',
    950: '#000000',
  },
}

SCSS

$custom: #a1ca38;
$custom-light: #c1da78;
$custom-dark: #000000;

JSON

{
  "hex": "#a1ca38",
  "rgb": {
    "r": 161,
    "g": 202,
    "b": 56
  },
  "hsl": {
    "h": 76.849,
    "s": 57.937,
    "l": 50.588
  },
  "oklch": {
    "l": 0.78282,
    "c": 0.17352,
    "h": 124.2
  },
  "luminance": 0.50104
}

Semantic roles & 50–950 ramp

primary

#A1CA38

secondary

#443175

accent

#47E172

background

#FDFEFB

surface

#F9FBF1

border

#D2D4CB

text

#13140A

muted

#82837D

Preview Lab

Preview with #A1CA38

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

Preview Lab → · Contrast checker → · Palette generator →