#91CB51#91CB51

#91CB51 is a light, vivid yellow-green. Relative luminance 0.493; OKLCH L 77.7% C 0.165 H 130.8°. Best body text is #000000 at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#91CB51
RGB	rgb(145, 203, 81)
HSL	hsl(89, 54%, 56%)
HSV	hsv(89, 60%, 80%)
CMYK	cmyk(28.6%, 0%, 60.1%, 20.4%)
CIE-LAB	lab(75.65, -38.33, 53.63)
CIE-LCH	lch(75.65, 65.92, 125.55°)
OKLab	oklab(77.7% -0.1075 0.1246)
OKLCH	oklch(77.7% 0.165 130.8)
XYZ	xyz(34.5178, 49.3247, 15.4850)
Luminance	0.4933 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91CB51 #8B51CB

analogous

#CBC851 #91CB51 #54CB51

triadic

#91CB51 #5191CB #CB5191

tetradic

#91CB51 #51CBC8 #8B51CB #CB5154

square

#91CB51 #51CBC8 #8B51CB #CB5154

split-complementary

#91CB51 #5154CB #C851CB

monochromatic

#537C25 #72AC33 #91CB51 #AFD980 #CDE7AF

Accessibility & contrast

On white

1.93

#91CB51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.87

#91CB51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91CB51

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91CB51	#FFFFFF	#000000	##000000
##91CB51	1.00	1.93	10.87	10.87
#FFFFFF	1.93	1.00	21.00	21.00
#000000	10.87	21.00	1.00	1.00
##000000	10.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BD43

Deuteranopia (green-blind)

#CBB95A

Tritanopia (blue-blind)

#94C3B1

Achromatopsia (no color)

#BABABA

Design tokens & code

CSS

--color: #91cb51;
/* rgb */ color: rgb(145, 203, 81);
/* oklch */ color: oklch(77.7% 0.165 130.8);

Tailwind

colors: {
  custom: {
    50: '#b5db86',
    500: '#91cb51',
    950: '#000000',
  },
}

SCSS

$custom: #91cb51;
$custom-light: #b5db86;
$custom-dark: #000000;

JSON

{
  "hex": "#91cb51",
  "rgb": {
    "r": 145,
    "g": 203,
    "b": 81
  },
  "hsl": {
    "h": 88.525,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.77704,
    "c": 0.16453,
    "h": 130.8
  },
  "luminance": 0.49326
}

Semantic roles & 50–950 ramp

primary

#91CB51

secondary

#BBA3D5

accent

#4ADD90

background

#FBFDF8

surface

#F6FBF0

border

#D0D4CB

text

#11150B

muted

#80837C

Preview Lab

Preview with #91CB51

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

Preview Lab → · Contrast checker → · Palette generator →