#91BF31#91BF31

#91BF31 is a light, vivid yellow-green. Relative luminance 0.435; OKLCH L 74.6% C 0.172 H 126.3°. Best body text is #000000 at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#91BF31
RGB	rgb(145, 191, 49)
HSL	hsl(79, 59%, 47%)
HSV	hsv(79, 74%, 75%)
CMYK	cmyk(24.1%, 0%, 74.3%, 25.1%)
CIE-LAB	lab(71.89, -35.19, 62.29)
CIE-LCH	lch(71.89, 71.55, 119.46°)
OKLab	oklab(74.58% -0.1016 0.1385)
OKLCH	oklch(74.58% 0.172 126.3)
XYZ	xyz(30.8624, 43.5026, 9.6760)
Luminance	0.4350 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91BF31 #5F31BF

analogous

#BFA631 #91BF31 #4ABF31

triadic

#91BF31 #3191BF #BF3191

tetradic

#91BF31 #31BFA6 #5F31BF #BF314A

square

#91BF31 #31BFA6 #5F31BF #BF314A

split-complementary

#91BF31 #314ABF #A631BF

monochromatic

#475E18 #6C8E25 #91BF31 #ACD459 #C5E18A

Accessibility & contrast

On white

2.16

#91BF31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.70

#91BF31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91BF31

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91BF31	#FFFFFF	#000000	##000000
##91BF31	1.00	2.16	9.70	9.70
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.70	21.00	1.00	1.00
##000000	9.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B212

Deuteranopia (green-blind)

#C3AF3E

Tritanopia (blue-blind)

#97B6A4

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #91bf31;
/* rgb */ color: rgb(145, 191, 49);
/* oklch */ color: oklch(74.6% 0.172 126.3);

Tailwind

colors: {
  custom: {
    50: '#b5d273',
    500: '#91bf31',
    950: '#000000',
  },
}

SCSS

$custom: #91bf31;
$custom-light: #b5d273;
$custom-dark: #000000;

JSON

{
  "hex": "#91bf31",
  "rgb": {
    "r": 145,
    "g": 191,
    "b": 49
  },
  "hsl": {
    "h": 79.437,
    "s": 59.167,
    "l": 47.059
  },
  "oklch": {
    "l": 0.74578,
    "c": 0.17174,
    "h": 126.3
  },
  "luminance": 0.43503
}

Semantic roles & 50–950 ramp

primary

#91BF31

secondary

#9981CB

accent

#45E278

background

#FBFCF7

surface

#F6F9ED

border

#D0D2C8

text

#121409

muted

#81827B

Preview Lab

Preview with #91BF31

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

Preview Lab → · Contrast checker → · Palette generator →