#5B9921#5B9921

#5B9921 is a mid, vivid yellow-green. Relative luminance 0.251; OKLCH L 61.8% C 0.161 H 133.6°. Best body text is #000000 at 6.02:1 contrast (WCAG AA passes).

Color values

HEX	#5B9921
RGB	rgb(91, 153, 33)
HSL	hsl(91, 65%, 36%)
HSV	hsv(91, 78%, 60%)
CMYK	cmyk(40.5%, 0%, 78.4%, 40%)
CIE-LAB	lab(57.19, -39.50, 52.50)
CIE-LCH	lch(57.19, 65.71, 126.96°)
OKLab	oklab(61.77% -0.1111 0.1166)
OKLCH	oklch(61.77% 0.161 133.6)
XYZ	xyz(15.9799, 25.1156, 5.4444)
Luminance	0.2512 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B9921 #5F2199

analogous

#979921 #5B9921 #219923

triadic

#5B9921 #215B99 #99215B

tetradic

#5B9921 #219799 #5F2199 #992321

square

#5B9921 #219799 #5F2199 #992321

split-complementary

#5B9921 #232199 #992197

monochromatic

#1F340B #3D6716 #5B9921 #79CB2C #98DB59

Accessibility & contrast

On white

3.49

#5B9921 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.02

#5B9921 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B9921

6.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B9921	#FFFFFF	#000000	##000000
##5B9921	1.00	3.49	6.02	6.02
#FFFFFF	3.49	1.00	21.00	21.00
#000000	6.02	21.00	1.00	1.00
##000000	6.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9F8C01

Deuteranopia (green-blind)

#97882E

Tritanopia (blue-blind)

#5B9383

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #5b9921;
/* rgb */ color: rgb(91, 153, 33);
/* oklch */ color: oklch(61.8% 0.161 133.6);

Tailwind

colors: {
  custom: {
    50: '#8fb766',
    500: '#5b9921',
    950: '#000000',
  },
}

SCSS

$custom: #5b9921;
$custom-light: #8fb766;
$custom-dark: #000000;

JSON

{
  "hex": "#5b9921",
  "rgb": {
    "r": 91,
    "g": 153,
    "b": 33
  },
  "hsl": {
    "h": 91,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.61771,
    "c": 0.16108,
    "h": 133.6
  },
  "luminance": 0.25116
}

Semantic roles & 50–950 ramp

primary

#5B9921

secondary

#8D56BF

accent

#40E897

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1106

muted

#7E807A

Preview Lab

Preview with #5B9921

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

Preview Lab → · Contrast checker → · Palette generator →