#91D540#91D540

#91D540 is a light, vivid yellow-green. Relative luminance 0.540; OKLCH L 79.9% C 0.190 H 131.0°. Best body text is #000000 at 11.80:1 contrast (WCAG AA passes).

Color values

HEX	#91D540
RGB	rgb(145, 213, 64)
HSL	hsl(87, 64%, 54%)
HSV	hsv(87, 70%, 84%)
CMYK	cmyk(31.9%, 0%, 70%, 16.5%)
CIE-LAB	lab(78.45, -44.02, 63.48)
CIE-LCH	lch(78.45, 77.25, 124.74°)
OKLab	oklab(79.93% -0.1245 0.1432)
OKLCH	oklch(79.93% 0.19 131)
XYZ	xyz(36.3964, 53.9772, 13.3505)
Luminance	0.5398 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91D540 #8440D5

analogous

#D5CF40 #91D540 #47D540

triadic

#91D540 #4091D5 #D54091

tetradic

#91D540 #40D5CF #8440D5 #D54047

square

#91D540 #40D5CF #8440D5 #D54047

split-complementary

#91D540 #4047D5 #CF40D5

monochromatic

#527F1C #72B127 #91D540 #AEE072 #CBEBA4

Accessibility & contrast

On white

1.78

#91D540 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.80

#91D540 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91D540

11.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91D540	#FFFFFF	#000000	##000000
##91D540	1.00	1.78	11.80	11.80
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.80	21.00	1.00	1.00
##000000	11.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC528

Deuteranopia (green-blind)

#D5C04D

Tritanopia (blue-blind)

#94CCB8

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #91d540;
/* rgb */ color: rgb(145, 213, 64);
/* oklch */ color: oklch(79.9% 0.190 131.0);

Tailwind

colors: {
  custom: {
    50: '#b6e27d',
    500: '#91d540',
    950: '#000000',
  },
}

SCSS

$custom: #91d540;
$custom-light: #b6e27d;
$custom-dark: #000000;

JSON

{
  "hex": "#91d540",
  "rgb": {
    "r": 145,
    "g": 213,
    "b": 64
  },
  "hsl": {
    "h": 87.383,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.79934,
    "c": 0.18974,
    "h": 131
  },
  "luminance": 0.53978
}

Semantic roles & 50–950 ramp

primary

#91D540

secondary

#593386

accent

#41E78D

background

#FDFEFB

surface

#F8FCF2

border

#D1D5CC

text

#12150A

muted

#82847D

Preview Lab

Preview with #91D540

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

Preview Lab → · Contrast checker → · Palette generator →