#A5E551#A5E551

#A5E551 is a very light, vivid yellow-green. Relative luminance 0.646; OKLCH L 85.0% C 0.188 H 129.7°. Best body text is #000000 at 13.93:1 contrast (WCAG AA passes).

Color values

HEX	#A5E551
RGB	rgb(165, 229, 81)
HSL	hsl(86, 74%, 61%)
HSV	hsv(86, 65%, 90%)
CMYK	cmyk(27.9%, 0%, 64.6%, 10.2%)
CIE-LAB	lab(84.29, -42.54, 63.39)
CIE-LCH	lch(84.29, 76.34, 123.87°)
OKLab	oklab(85.01% -0.1203 0.1449)
OKLCH	oklch(85.01% 0.188 129.7)
XYZ	xyz(45.0213, 64.6308, 17.8860)
Luminance	0.6463 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A5E551 #9151E5

analogous

#E5DB51 #A5E551 #5BE551

triadic

#A5E551 #51A5E5 #E551A5

tetradic

#A5E551 #51E5DB #9151E5 #E5515B

square

#A5E551 #51E5DB #9151E5 #E5515B

split-complementary

#A5E551 #515BE5 #DB51E5

monochromatic

#67A318 #89D820 #A5E551 #C1ED86 #DCF5BB

Accessibility & contrast

On white

1.51

#A5E551 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.93

#A5E551 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #A5E551

13.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A5E551	#FFFFFF	#000000	##000000
##A5E551	1.00	1.51	13.93	13.93
#FFFFFF	1.51	1.00	21.00	21.00
#000000	13.93	21.00	1.00	1.00
##000000	13.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EFD53D

Deuteranopia (green-blind)

#E6D15D

Tritanopia (blue-blind)

#A9DBC7

Achromatopsia (no color)

#D2D2D2

Design tokens & code

CSS

--color: #a5e551;
/* rgb */ color: rgb(165, 229, 81);
/* oklch */ color: oklch(85.0% 0.188 129.7);

Tailwind

colors: {
  custom: {
    50: '#c4ed88',
    500: '#a5e551',
    950: '#000000',
  },
}

SCSS

$custom: #a5e551;
$custom-light: #c4ed88;
$custom-dark: #000000;

JSON

{
  "hex": "#a5e551",
  "rgb": {
    "r": 165,
    "g": 229,
    "b": 81
  },
  "hsl": {
    "h": 85.946,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.85014,
    "c": 0.18834,
    "h": 129.7
  },
  "luminance": 0.64632
}

Semantic roles & 50–950 ramp

primary

#A5E551

secondary

#6535A6

accent

#0FD665

background

#FDFFFC

surface

#F9FEF4

border

#D2D6CE

text

#13160C

muted

#82857F

Preview Lab

Preview with #A5E551

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

Preview Lab → · Contrast checker → · Palette generator →