#91AA21#91AA21

#91AA21 is a light, vivid yellow-green. Relative luminance 0.349; OKLCH L 69.5% C 0.155 H 120.1°. Best body text is #000000 at 7.98:1 contrast (WCAG AA passes).

Color values

HEX	#91AA21
RGB	rgb(145, 170, 33)
HSL	hsl(71, 67%, 40%)
HSV	hsv(71, 81%, 67%)
CMYK	cmyk(14.7%, 0%, 80.6%, 33.3%)
CIE-LAB	lab(65.65, -26.03, 61.50)
CIE-LCH	lch(65.65, 66.78, 112.94°)
OKLab	oklab(69.51% -0.0777 0.1342)
OKLCH	oklch(69.51% 0.155 120.1)
XYZ	xyz(26.3268, 34.8791, 6.7840)
Luminance	0.3488 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#91AA21 #3A21AA

analogous

#AA7F21 #91AA21 #4CAA21

triadic

#91AA21 #2191AA #AA2191

tetradic

#91AA21 #21AA7F #3A21AA #AA214C

square

#91AA21 #21AA7F #3A21AA #AA214C

split-complementary

#91AA21 #214CAA #7F21AA

monochromatic

#3A430D #657717 #91AA21 #B9D731 #CAE164

Accessibility & contrast

On white

2.63

#91AA21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.98

#91AA21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #91AA21

7.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##91AA21	#FFFFFF	#000000	##000000
##91AA21	1.00	2.63	7.98	7.98
#FFFFFF	2.63	1.00	21.00	21.00
#000000	7.98	21.00	1.00	1.00
##000000	7.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A000

Deuteranopia (green-blind)

#B2A02F

Tritanopia (blue-blind)

#9AA191

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #91aa21;
/* rgb */ color: rgb(145, 170, 33);
/* oklch */ color: oklch(69.5% 0.155 120.1);

Tailwind

colors: {
  custom: {
    50: '#b5c36a',
    500: '#91aa21',
    950: '#000000',
  },
}

SCSS

$custom: #91aa21;
$custom-light: #b5c36a;
$custom-dark: #000000;

JSON

{
  "hex": "#91aa21",
  "rgb": {
    "r": 145,
    "g": 170,
    "b": 33
  },
  "hsl": {
    "h": 70.949,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.69505,
    "c": 0.15504,
    "h": 120.1
  },
  "luminance": 0.34879
}

Semantic roles & 50–950 ramp

primary

#91AA21

secondary

#7361C6

accent

#3DEA5D

background

#FBFBF6

surface

#F6F7EC

border

#D0D0C7

text

#121207

muted

#81817A

Preview Lab

Preview with #91AA21

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

Preview Lab → · Contrast checker → · Palette generator →