#91BB51#91BB51

#91BB51 is a light, vivid yellow-green. Relative luminance 0.422; OKLCH L 73.9% C 0.143 H 127.6°. Best body text is #000000 at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#91BB51
RGB	rgb(145, 187, 81)
HSL	hsl(84, 44%, 53%)
HSV	hsv(84, 57%, 73%)
CMYK	cmyk(22.5%, 0%, 56.7%, 26.7%)
CIE-LAB	lab(70.98, -30.98, 48.32)
CIE-LCH	lch(70.98, 57.40, 122.66°)
OKLab	oklab(73.92% -0.0872 0.1132)
OKLCH	oklch(73.92% 0.143 127.6)
XYZ	xyz(30.9325, 42.1540, 14.2898)
Luminance	0.4215 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91BB51 #7B51BB

analogous

#BBB051 #91BB51 #5CBB51

triadic

#91BB51 #5191BB #BB5191

tetradic

#91BB51 #51BBB0 #7B51BB #BB515C

square

#91BB51 #51BBB0 #7B51BB #BB515C

split-complementary

#91BB51 #515CBB #B051BB

monochromatic

#4F6929 #71953A #91BB51 #ADCC7D #C9DDA9

Accessibility & contrast

On white

2.23

#91BB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.43

#91BB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91BB51

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91BB51	#FFFFFF	#000000	##000000
##91BB51	1.00	2.23	9.43	9.43
#FFFFFF	2.23	1.00	21.00	21.00
#000000	9.43	21.00	1.00	1.00
##000000	9.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AF46

Deuteranopia (green-blind)

#BEAD58

Tritanopia (blue-blind)

#95B3A4

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #91bb51;
/* rgb */ color: rgb(145, 187, 81);
/* oklch */ color: oklch(73.9% 0.143 127.6);

Tailwind

colors: {
  custom: {
    50: '#b4cf85',
    500: '#91bb51',
    950: '#000000',
  },
}

SCSS

$custom: #91bb51;
$custom-light: #b4cf85;
$custom-dark: #000000;

JSON

{
  "hex": "#91bb51",
  "rgb": {
    "r": 145,
    "g": 187,
    "b": 81
  },
  "hsl": {
    "h": 83.774,
    "s": 43.802,
    "l": 52.549
  },
  "oklch": {
    "l": 0.73916,
    "c": 0.14289,
    "h": 127.6
  },
  "luminance": 0.42154
}

Semantic roles & 50–950 ramp

primary

#91BB51

secondary

#AF9DCB

accent

#54D487

background

#FBFCF8

surface

#F6F9EF

border

#D0D2CA

text

#11140B

muted

#80827C

Preview Lab

Preview with #91BB51

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

Preview Lab → · Contrast checker → · Palette generator →