#ADDE51#ADDE51

#ADDE51 is a very light, vivid yellow-green. Relative luminance 0.617; OKLCH L 83.9% C 0.176 H 126.3°. Best body text is #000000 at 13.34:1 contrast (WCAG AA passes).

Color values

HEX	#ADDE51
RGB	rgb(173, 222, 81)
HSL	hsl(81, 68%, 59%)
HSV	hsv(81, 64%, 87%)
CMYK	cmyk(22.1%, 0%, 63.5%, 12.9%)
CIE-LAB	lab(82.76, -36.47, 61.89)
CIE-LCH	lch(82.76, 71.84, 120.51°)
OKLab	oklab(83.9% -0.104 0.1417)
OKLCH	oklch(83.9% 0.176 126.3)
XYZ	xyz(44.8402, 61.7202, 17.3338)
Luminance	0.6172 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#ADDE51 #8251DE

analogous

#DEC951 #ADDE51 #67DE51

triadic

#ADDE51 #51ADDE #DE51AD

tetradic

#ADDE51 #51DEC9 #8251DE #DE5167

square

#ADDE51 #51DEC9 #8251DE #DE5167

split-complementary

#ADDE51 #5167DE #C951DE

monochromatic

#6D981D #92CB27 #ADDE51 #C5E884 #DDF2B8

Accessibility & contrast

On white

1.57

#ADDE51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.34

#ADDE51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #ADDE51

13.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##ADDE51	#FFFFFF	#000000	##000000
##ADDE51	1.00	1.57	13.34	13.34
#FFFFFF	1.57	1.00	21.00	21.00
#000000	13.34	21.00	1.00	1.00
##000000	13.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D03F

Deuteranopia (green-blind)

#E2CD5C

Tritanopia (blue-blind)

#B4D4C1

Achromatopsia (no color)

#CECECE

Design tokens & code

CSS

--color: #adde51;
/* rgb */ color: rgb(173, 222, 81);
/* oklch */ color: oklch(83.9% 0.176 126.3);

Tailwind

colors: {
  custom: {
    50: '#c9e888',
    500: '#adde51',
    950: '#000000',
  },
}

SCSS

$custom: #adde51;
$custom-light: #c9e888;
$custom-dark: #000000;

JSON

{
  "hex": "#adde51",
  "rgb": {
    "r": 173,
    "g": 222,
    "b": 81
  },
  "hsl": {
    "h": 80.851,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.83896,
    "c": 0.17576,
    "h": 126.3
  },
  "luminance": 0.61721
}

Semantic roles & 50–950 ramp

primary

#ADDE51

secondary

#5A379C

accent

#3DEB79

background

#FEFEFC

surface

#FBFCF4

border

#D4D5CE

text

#13160C

muted

#83847F

Preview Lab

Preview with #ADDE51

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

Preview Lab → · Contrast checker → · Palette generator →