#A9EA51#A9EA51

#A9EA51 is a very light, vivid yellow-green. Relative luminance 0.679; OKLCH L 86.4% C 0.193 H 129.5°. Best body text is #000000 at 14.58:1 contrast (WCAG AA passes).

Color values

HEX	#A9EA51
RGB	rgb(169, 234, 81)
HSL	hsl(85, 78%, 62%)
HSV	hsv(85, 65%, 92%)
CMYK	cmyk(27.8%, 0%, 65.4%, 8.2%)
CIE-LAB	lab(85.94, -43.27, 65.20)
CIE-LCH	lch(85.94, 78.25, 123.57°)
OKLab	oklab(86.41% -0.1225 0.1487)
OKLCH	oklch(86.41% 0.193 129.5)
XYZ	xyz(47.2700, 67.8735, 18.3934)
Luminance	0.6787 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A9EA51 #9251EA

analogous

#EADF51 #A9EA51 #5DEA51

triadic

#A9EA51 #51A9EA #EA51A9

tetradic

#A9EA51 #51EADF #9251EA #EA515D

square

#A9EA51 #51EADF #9251EA #EA515D

split-complementary

#A9EA51 #515DEA #DF51EA

monochromatic

#6CAC15 #8EE21B #A9EA51 #C4F188 #DFF7BE

Accessibility & contrast

On white

1.44

#A9EA51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.58

#A9EA51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A9EA51

14.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A9EA51	#FFFFFF	#000000	##000000
##A9EA51	1.00	1.44	14.58	14.58
#FFFFFF	1.44	1.00	21.00	21.00
#000000	14.58	21.00	1.00	1.00
##000000	14.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F5DA3C

Deuteranopia (green-blind)

#ECD55D

Tritanopia (blue-blind)

#ADE0CB

Achromatopsia (no color)

#D7D7D7

Design tokens & code

CSS

--color: #a9ea51;
/* rgb */ color: rgb(169, 234, 81);
/* oklch */ color: oklch(86.4% 0.193 129.5);

Tailwind

colors: {
  custom: {
    50: '#c7f189',
    500: '#a9ea51',
    950: '#000000',
  },
}

SCSS

$custom: #a9ea51;
$custom-light: #c7f189;
$custom-dark: #000000;

JSON

{
  "hex": "#a9ea51",
  "rgb": {
    "r": 169,
    "g": 234,
    "b": 81
  },
  "hsl": {
    "h": 85.49,
    "s": 78.462,
    "l": 61.765
  },
  "oklch": {
    "l": 0.86412,
    "c": 0.19267,
    "h": 129.5
  },
  "luminance": 0.67875
}

Semantic roles & 50–950 ramp

primary

#A9EA51

secondary

#6632AD

accent

#0BDB63

background

#FEFFFC

surface

#FAFEF4

border

#D3D6CE

text

#13160C

muted

#83857F

Preview Lab

Preview with #A9EA51

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

Preview Lab → · Contrast checker → · Palette generator →