#5BAB21#5BAB21

#5BAB21 is a light, vivid yellow-green. Relative luminance 0.315; OKLCH L 66.5% C 0.183 H 135.7°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#5BAB21
RGB	rgb(91, 171, 33)
HSL	hsl(95, 68%, 40%)
HSV	hsv(95, 81%, 67%)
CMYK	cmyk(46.8%, 0%, 80.7%, 32.9%)
CIE-LAB	lab(62.89, -46.93, 57.85)
CIE-LCH	lch(62.89, 74.49, 129.05°)
OKLab	oklab(66.45% -0.1311 0.1278)
OKLCH	oklch(66.45% 0.183 135.7)
XYZ	xyz(19.1513, 31.4585, 6.5015)
Luminance	0.3146 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BAB21 #7121AB

analogous

#A0AB21 #5BAB21 #21AB2C

triadic

#5BAB21 #215BAB #AB215B

tetradic

#5BAB21 #21A0AB #7121AB #AB2C21

square

#5BAB21 #21A0AB #7121AB #AB2C21

split-complementary

#5BAB21 #2C21AB #AB21A0

monochromatic

#24440D #407817 #5BAB21 #77D732 #99E165

Accessibility & contrast

On white

2.88

#5BAB21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#5BAB21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BAB21

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BAB21	#FFFFFF	#000000	##000000
##5BAB21	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B19C00

Deuteranopia (green-blind)

#A79631

Tritanopia (blue-blind)

#58A492

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #5bab21;
/* rgb */ color: rgb(91, 171, 33);
/* oklch */ color: oklch(66.5% 0.183 135.7);

Tailwind

colors: {
  custom: {
    50: '#91c569',
    500: '#5bab21',
    950: '#000000',
  },
}

SCSS

$custom: #5bab21;
$custom-light: #91c569;
$custom-dark: #000000;

JSON

{
  "hex": "#5bab21",
  "rgb": {
    "r": 91,
    "g": 171,
    "b": 33
  },
  "hsl": {
    "h": 94.783,
    "s": 67.647,
    "l": 40
  },
  "oklch": {
    "l": 0.66451,
    "c": 0.18309,
    "h": 135.7
  },
  "luminance": 0.3146
}

Semantic roles & 50–950 ramp

primary

#5BAB21

secondary

#9C61C7

accent

#3DEBA2

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #5BAB21

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

Preview Lab → · Contrast checker → · Palette generator →