#91CB40#91CB40

#91CB40 is a light, vivid yellow-green. Relative luminance 0.491; OKLCH L 77.5% C 0.177 H 129.4°. Best body text is #000000 at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#91CB40
RGB	rgb(145, 203, 64)
HSL	hsl(85, 57%, 52%)
HSV	hsv(85, 68%, 80%)
CMYK	cmyk(28.6%, 0%, 68.5%, 20.4%)
CIE-LAB	lab(75.51, -39.67, 60.48)
CIE-LCH	lch(75.51, 72.33, 123.26°)
OKLab	oklab(77.55% -0.1126 0.1369)
OKLCH	oklch(77.55% 0.177 129.4)
XYZ	xyz(33.9583, 49.1009, 12.5378)
Luminance	0.4910 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91CB40 #7A40CB

analogous

#CBC040 #91CB40 #4BCB40

triadic

#91CB40 #4091CB #CB4091

tetradic

#91CB40 #40CBC0 #7A40CB #CB404B

square

#91CB40 #40CBC0 #7A40CB #CB404B

split-complementary

#91CB40 #404BCB #C040CB

monochromatic

#4F721F #71A22C #91CB40 #ADD870 #C8E5A0

Accessibility & contrast

On white

1.94

#91CB40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.82

#91CB40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91CB40

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91CB40	#FFFFFF	#000000	##000000
##91CB40	1.00	1.94	10.82	10.82
#FFFFFF	1.94	1.00	21.00	21.00
#000000	10.82	21.00	1.00	1.00
##000000	10.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD2B

Deuteranopia (green-blind)

#CCB94C

Tritanopia (blue-blind)

#95C2AF

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #91cb40;
/* rgb */ color: rgb(145, 203, 64);
/* oklch */ color: oklch(77.5% 0.177 129.4);

Tailwind

colors: {
  custom: {
    50: '#b5db7c',
    500: '#91cb40',
    950: '#000000',
  },
}

SCSS

$custom: #91cb40;
$custom-light: #b5db7c;
$custom-dark: #000000;

JSON

{
  "hex": "#91cb40",
  "rgb": {
    "r": 145,
    "g": 203,
    "b": 64
  },
  "hsl": {
    "h": 85.036,
    "s": 57.202,
    "l": 52.353
  },
  "oklch": {
    "l": 0.77547,
    "c": 0.17727,
    "h": 129.4
  },
  "luminance": 0.49102
}

Semantic roles & 50–950 ramp

primary

#91CB40

secondary

#AE95D2

accent

#47E087

background

#FBFDF7

surface

#F6FBEE

border

#D0D4C9

text

#12150A

muted

#81837C

Preview Lab

Preview with #91CB40

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

Preview Lab → · Contrast checker → · Palette generator →