#A5E451#A5E451

#A5E451 is a very light, vivid yellow-green. Relative luminance 0.641; OKLCH L 84.8% C 0.187 H 129.5°. Best body text is #000000 at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#A5E451
RGB	rgb(165, 228, 81)
HSL	hsl(86, 73%, 61%)
HSV	hsv(86, 64%, 89%)
CMYK	cmyk(27.6%, 0%, 64.5%, 10.6%)
CIE-LAB	lab(84.01, -42.10, 63.08)
CIE-LCH	lch(84.01, 75.84, 123.72°)
OKLab	oklab(84.78% -0.1191 0.1443)
OKLCH	oklch(84.78% 0.187 129.5)
XYZ	xyz(44.7454, 64.0790, 17.7940)
Luminance	0.6408 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5E451 #9051E4

analogous

#E4D951 #A5E451 #5CE451

triadic

#A5E451 #51A5E4 #E451A5

tetradic

#A5E451 #51E4D9 #9051E4 #E4515C

square

#A5E451 #51E4D9 #9051E4 #E4515C

split-complementary

#A5E451 #515CE4 #D951E4

monochromatic

#67A219 #89D721 #A5E451 #C0EC86 #DCF4BB

Accessibility & contrast

On white

1.52

#A5E451 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.82

#A5E451 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5E451

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5E451	#FFFFFF	#000000	##000000
##A5E451	1.00	1.52	13.82	13.82
#FFFFFF	1.52	1.00	21.00	21.00
#000000	13.82	21.00	1.00	1.00
##000000	13.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EED43E

Deuteranopia (green-blind)

#E5D05D

Tritanopia (blue-blind)

#A9DBC6

Achromatopsia (no color)

#D1D1D1

Design tokens & code

CSS

--color: #a5e451;
/* rgb */ color: rgb(165, 228, 81);
/* oklch */ color: oklch(84.8% 0.187 129.5);

Tailwind

colors: {
  custom: {
    50: '#c4ed88',
    500: '#a5e451',
    950: '#000000',
  },
}

SCSS

$custom: #a5e451;
$custom-light: #c4ed88;
$custom-dark: #000000;

JSON

{
  "hex": "#a5e451",
  "rgb": {
    "r": 165,
    "g": 228,
    "b": 81
  },
  "hsl": {
    "h": 85.714,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.84782,
    "c": 0.18708,
    "h": 129.5
  },
  "luminance": 0.6408
}

Semantic roles & 50–950 ramp

primary

#A5E451

secondary

#6535A4

accent

#10D565

background

#FDFEFC

surface

#F9FDF4

border

#D2D5CE

text

#13160C

muted

#82847F

Preview Lab

Preview with #A5E451

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

Preview Lab → · Contrast checker → · Palette generator →