#A4DE51#A4DE51

#A4DE51 is a very light, vivid yellow-green. Relative luminance 0.607; OKLCH L 83.3% C 0.180 H 128.8°. Best body text is #000000 at 13.15:1 contrast (WCAG AA passes).

Color values

HEX	#A4DE51
RGB	rgb(164, 222, 81)
HSL	hsl(85, 68%, 59%)
HSV	hsv(85, 64%, 87%)
CMYK	cmyk(26.1%, 0%, 63.5%, 12.9%)
CIE-LAB	lab(82.23, -39.83, 61.16)
CIE-LCH	lch(82.23, 72.99, 123.07°)
OKLab	oklab(83.33% -0.1128 0.1403)
OKLCH	oklch(83.33% 0.18 128.8)
XYZ	xyz(42.9162, 60.7282, 17.2436)
Luminance	0.6073 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4DE51 #8B51DE

analogous

#DED251 #A4DE51 #5EDE51

triadic

#A4DE51 #51A4DE #DE51A4

tetradic

#A4DE51 #51DED2 #8B51DE #DE515E

square

#A4DE51 #51DED2 #8B51DE #DE515E

split-complementary

#A4DE51 #515EDE #D251DE

monochromatic

#65981D #88CB27 #A4DE51 #BFE884 #DAF2B8

Accessibility & contrast

On white

1.60

#A4DE51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.15

#A4DE51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A4DE51

13.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4DE51	#FFFFFF	#000000	##000000
##A4DE51	1.00	1.60	13.15	13.15
#FFFFFF	1.60	1.00	21.00	21.00
#000000	13.15	21.00	1.00	1.00
##000000	13.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E8CF3F

Deuteranopia (green-blind)

#E0CB5C

Tritanopia (blue-blind)

#A9D5C1

Achromatopsia (no color)

#CDCDCD

Design tokens & code

CSS

--color: #a4de51;
/* rgb */ color: rgb(164, 222, 81);
/* oklch */ color: oklch(83.3% 0.180 128.8);

Tailwind

colors: {
  custom: {
    50: '#c3e888',
    500: '#a4de51',
    950: '#000000',
  },
}

SCSS

$custom: #a4de51;
$custom-light: #c3e888;
$custom-dark: #000000;

JSON

{
  "hex": "#a4de51",
  "rgb": {
    "r": 164,
    "g": 222,
    "b": 81
  },
  "hsl": {
    "h": 84.681,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.83327,
    "c": 0.17997,
    "h": 128.8
  },
  "luminance": 0.60729
}

Semantic roles & 50–950 ramp

primary

#A4DE51

secondary

#61379C

accent

#3DEB84

background

#FDFEFC

surface

#F9FCF4

border

#D2D5CE

text

#13160C

muted

#82847F

Preview Lab

Preview with #A4DE51

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

Preview Lab → · Contrast checker → · Palette generator →