#91BF3B#91BF3B

#91BF3B is a light, vivid yellow-green. Relative luminance 0.436; OKLCH L 74.7% C 0.166 H 126.8°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#91BF3B
RGB	rgb(145, 191, 59)
HSL	hsl(81, 53%, 49%)
HSV	hsv(81, 69%, 75%)
CMYK	cmyk(24.1%, 0%, 69.1%, 25.1%)
CIE-LAB	lab(71.96, -34.60, 58.75)
CIE-LCH	lch(71.96, 68.18, 120.49°)
OKLab	oklab(74.65% -0.0991 0.1326)
OKLCH	oklch(74.65% 0.166 126.8)
XYZ	xyz(31.0974, 43.5966, 10.9134)
Luminance	0.4360 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91BF3B #693BBF

analogous

#BFAB3B #91BF3B #4FBF3B

triadic

#91BF3B #3B91BF #BF3B91

tetradic

#91BF3B #3BBFAB #693BBF #BF3B4F

square

#91BF3B #3BBFAB #693BBF #BF3B4F

split-complementary

#91BF3B #3B4FBF #AB3BBF

monochromatic

#4A611E #6E902D #91BF3B #ACD067 #C5DF96

Accessibility & contrast

On white

2.16

#91BF3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#91BF3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91BF3B

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91BF3B	#FFFFFF	#000000	##000000
##91BF3B	1.00	2.16	9.72	9.72
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.72	21.00	1.00	1.00
##000000	9.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B227

Deuteranopia (green-blind)

#C2B046

Tritanopia (blue-blind)

#97B6A5

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #91bf3b;
/* rgb */ color: rgb(145, 191, 59);
/* oklch */ color: oklch(74.7% 0.166 126.8);

Tailwind

colors: {
  custom: {
    50: '#b5d279',
    500: '#91bf3b',
    950: '#000000',
  },
}

SCSS

$custom: #91bf3b;
$custom-light: #b5d279;
$custom-dark: #000000;

JSON

{
  "hex": "#91bf3b",
  "rgb": {
    "r": 145,
    "g": 191,
    "b": 59
  },
  "hsl": {
    "h": 80.909,
    "s": 52.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.7465,
    "c": 0.16553,
    "h": 126.8
  },
  "luminance": 0.43597
}

Semantic roles & 50–950 ramp

primary

#91BF3B

secondary

#A18CCA

accent

#4CDC7E

background

#FBFCF7

surface

#F6F9EE

border

#D0D2C9

text

#111409

muted

#80827B

Preview Lab

Preview with #91BF3B

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

Preview Lab → · Contrast checker → · Palette generator →