#AACE51#AACE51

#AACE51 is a light, vivid yellow-green. Relative luminance 0.533; OKLCH L 80.0% C 0.157 H 123.5°. Best body text is #000000 at 11.66:1 contrast (WCAG AA passes).

Color values

HEX	#AACE51
RGB	rgb(170, 206, 81)
HSL	hsl(77, 56%, 56%)
HSV	hsv(77, 61%, 81%)
CMYK	cmyk(17.5%, 0%, 60.7%, 19.2%)
CIE-LAB	lab(78.04, -30.24, 56.70)
CIE-LCH	lch(78.04, 64.26, 118.07°)
OKLab	oklab(80.03% -0.0866 0.1307)
OKLCH	oklch(80.03% 0.157 123.5)
XYZ	xyz(40.1344, 53.2825, 15.9531)
Luminance	0.5328 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AACE51 #7551CE

analogous

#CEB451 #AACE51 #6CCE51

triadic

#AACE51 #51AACE #CE51AA

tetradic

#AACE51 #51CEB4 #7551CE #CE516C

square

#AACE51 #51CEB4 #7551CE #CE516C

split-complementary

#AACE51 #516CCE #B451CE

monochromatic

#668024 #8CB032 #AACE51 #C1DB81 #D9E9B1

Accessibility & contrast

On white

1.80

#AACE51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.66

#AACE51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #AACE51

11.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AACE51	#FFFFFF	#000000	##000000
##AACE51	1.00	1.80	11.66	11.66
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.66	21.00	1.00	1.00
##000000	11.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D9C243

Deuteranopia (green-blind)

#D4C15A

Tritanopia (blue-blind)

#B2C4B4

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #aace51;
/* rgb */ color: rgb(170, 206, 81);
/* oklch */ color: oklch(80.0% 0.157 123.5);

Tailwind

colors: {
  custom: {
    50: '#c6dd87',
    500: '#aace51',
    950: '#000000',
  },
}

SCSS

$custom: #aace51;
$custom-light: #c6dd87;
$custom-dark: #000000;

JSON

{
  "hex": "#aace51",
  "rgb": {
    "r": 170,
    "g": 206,
    "b": 81
  },
  "hsl": {
    "h": 77.28,
    "s": 56.054,
    "l": 56.275
  },
  "oklch": {
    "l": 0.80032,
    "c": 0.15681,
    "h": 123.5
  },
  "luminance": 0.53283
}

Semantic roles & 50–950 ramp

primary

#AACE51

secondary

#513B88

accent

#48DF74

background

#FEFEFC

surface

#FAFCF3

border

#D3D5CD

text

#13150C

muted

#83847F

Preview Lab

Preview with #AACE51

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

Preview Lab → · Contrast checker → · Palette generator →