#91FF56#91FF56

#91FF56 is a very light, highly saturated yellow-green. Relative luminance 0.782; OKLCH L 90.1% C 0.227 H 136.6°. Best body text is #000000 at 16.64:1 contrast (WCAG AA passes).

Color values

HEX	#91FF56
RGB	rgb(145, 255, 86)
HSL	hsl(99, 100%, 67%)
HSV	hsv(99, 66%, 100%)
CMYK	cmyk(43.1%, 0%, 66.3%, 0%)
CIE-LAB	lab(90.88, -59.44, 68.15)
CIE-LCH	lch(90.88, 90.43, 131.09°)
OKLab	oklab(90.14% -0.1648 0.1558)
OKLCH	oklch(90.14% 0.227 136.6)
XYZ	xyz(49.1154, 78.2087, 21.3101)
Luminance	0.7821 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Spring Green (survey)

#A9F971

ΔE00 3.68

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91FF56 #C456FF

analogous

#E6FF56 #91FF56 #56FF70

triadic

#91FF56 #5691FF #FF5691

tetradic

#91FF56 #56E6FF #C456FF #FF7056

square

#91FF56 #56E6FF #C456FF #FF7056

split-complementary

#91FF56 #7056FF #FF56E6

monochromatic

#4CDB00 #69FF19 #91FF56 #B9FF93 #E1FFD0

Accessibility & contrast

On white

1.26

#91FF56 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

16.64

#91FF56 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91FF56

16.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91FF56	#FFFFFF	#000000	##000000
##91FF56	1.00	1.26	16.64	16.64
#FFFFFF	1.26	1.00	21.00	21.00
#000000	16.64	21.00	1.00	1.00
##000000	16.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FFEB3E

Deuteranopia (green-blind)

#F9E165

Tritanopia (blue-blind)

#8CF6DD

Achromatopsia (no color)

#E5E5E5

Design tokens & code

CSS

--color: #91ff56;
/* rgb */ color: rgb(145, 255, 86);
/* oklch */ color: oklch(90.1% 0.227 136.6);

Tailwind

colors: {
  custom: {
    50: '#b9ff8d',
    500: '#91ff56',
    950: '#000000',
  },
}

SCSS

$custom: #91ff56;
$custom-light: #b9ff8d;
$custom-dark: #000000;

JSON

{
  "hex": "#91ff56",
  "rgb": {
    "r": 145,
    "g": 255,
    "b": 86
  },
  "hsl": {
    "h": 99.053,
    "s": 100,
    "l": 66.863
  },
  "oklch": {
    "l": 0.90139,
    "c": 0.22681,
    "h": 136.6
  },
  "luminance": 0.78212
}

Semantic roles & 50–950 ramp

primary

#91FF56

secondary

#9725D4

accent

#00E695

background

#FDFFFC

surface

#F9FFF4

border

#D2D7CE

text

#12180D

muted

#82867F

Preview Lab

Preview with #91FF56

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

Preview Lab → · Contrast checker → · Palette generator →