#91BF05#91BF05

#91BF05 is a light, vivid yellow-green. Relative luminance 0.433; OKLCH L 74.4% C 0.187 H 125.2°. Best body text is #000000 at 9.66:1 contrast (WCAG AA passes).

Color values

HEX	#91BF05
RGB	rgb(145, 191, 5)
HSL	hsl(75, 95%, 38%)
HSV	hsv(75, 97%, 75%)
CMYK	cmyk(24.1%, 0%, 97.4%, 25.1%)
CIE-LAB	lab(71.75, -36.55, 71.55)
CIE-LCH	lch(71.75, 80.35, 117.06°)
OKLab	oklab(74.42% -0.1075 0.1524)
OKLCH	oklch(74.42% 0.187 125.2)
XYZ	xyz(30.3356, 43.2919, 6.9015)
Luminance	0.4329 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91BF05 #3305BF

analogous

#BF9005 #91BF05 #34BF05

triadic

#91BF05 #0591BF #BF0591

tetradic

#91BF05 #05BF90 #3305BF #BF0534

square

#91BF05 #05BF90 #3305BF #BF0534

split-complementary

#91BF05 #0534BF #9005BF

monochromatic

#364802 #648303 #91BF05 #BDF909 #CDFA44

Accessibility & contrast

On white

2.17

#91BF05 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.66

#91BF05 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91BF05

9.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91BF05	#FFFFFF	#000000	##000000
##91BF05	1.00	2.17	9.66	9.66
#FFFFFF	2.17	1.00	21.00	21.00
#000000	9.66	21.00	1.00	1.00
##000000	9.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB100

Deuteranopia (green-blind)

#C4AF27

Tritanopia (blue-blind)

#98B5A2

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #91bf05;
/* rgb */ color: rgb(145, 191, 5);
/* oklch */ color: oklch(74.4% 0.187 125.2);

Tailwind

colors: {
  custom: {
    50: '#b6d266',
    500: '#91bf05',
    950: '#000000',
  },
}

SCSS

$custom: #91bf05;
$custom-light: #b6d266;
$custom-dark: #000000;

JSON

{
  "hex": "#91bf05",
  "rgb": {
    "r": 145,
    "g": 191,
    "b": 5
  },
  "hsl": {
    "h": 74.839,
    "s": 94.898,
    "l": 38.431
  },
  "oklch": {
    "l": 0.74418,
    "c": 0.18651,
    "h": 125.2
  },
  "luminance": 0.43292
}

Semantic roles & 50–950 ramp

primary

#91BF05

secondary

#6B46DA

accent

#29FF5E

background

#FBFCF6

surface

#F6F9EB

border

#D0D2C6

text

#121407

muted

#81827A

Preview Lab

Preview with #91BF05

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

Preview Lab → · Contrast checker → · Palette generator →