#91CB33#91CB33

#91CB33 is a light, vivid yellow-green. Relative luminance 0.490; OKLCH L 77.5% C 0.185 H 128.7°. Best body text is #000000 at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#91CB33
RGB	rgb(145, 203, 51)
HSL	hsl(83, 60%, 50%)
HSV	hsv(83, 75%, 80%)
CMYK	cmyk(28.6%, 0%, 74.9%, 20.4%)
CIE-LAB	lab(75.43, -40.46, 65.03)
CIE-LCH	lch(75.43, 76.59, 121.89°)
OKLab	oklab(77.46% -0.1158 0.1445)
OKLCH	oklch(77.46% 0.185 128.7)
XYZ	xyz(33.6305, 48.9698, 10.8116)
Luminance	0.4897 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91CB33 #6D33CB

analogous

#CBB933 #91CB33 #45CB33

triadic

#91CB33 #3391CB #CB3391

tetradic

#91CB33 #33CBB9 #6D33CB #CB3345

square

#91CB33 #33CBB9 #6D33CB #CB3345

split-complementary

#91CB33 #3345CB #B933CB

monochromatic

#4B691A #6E9A27 #91CB33 #ABD863 #C6E494

Accessibility & contrast

On white

1.95

#91CB33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.79

#91CB33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91CB33

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91CB33	#FFFFFF	#000000	##000000
##91CB33	1.00	1.95	10.79	10.79
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.79	21.00	1.00	1.00
##000000	10.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5BC10

Deuteranopia (green-blind)

#CDB942

Tritanopia (blue-blind)

#96C2AE

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #91cb33;
/* rgb */ color: rgb(145, 203, 51);
/* oklch */ color: oklch(77.5% 0.185 128.7);

Tailwind

colors: {
  custom: {
    50: '#b6db76',
    500: '#91cb33',
    950: '#000000',
  },
}

SCSS

$custom: #91cb33;
$custom-light: #b6db76;
$custom-dark: #000000;

JSON

{
  "hex": "#91cb33",
  "rgb": {
    "r": 145,
    "g": 203,
    "b": 51
  },
  "hsl": {
    "h": 82.895,
    "s": 59.843,
    "l": 49.804
  },
  "oklch": {
    "l": 0.77455,
    "c": 0.18519,
    "h": 128.7
  },
  "luminance": 0.48971
}

Semantic roles & 50–950 ramp

primary

#91CB33

secondary

#A58BCF

accent

#45E381

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#121509

muted

#81837B

Preview Lab

Preview with #91CB33

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

Preview Lab → · Contrast checker → · Palette generator →