#5BAC21#5BAC21

#5BAC21 is a light, vivid yellow-green. Relative luminance 0.318; OKLCH L 66.7% C 0.184 H 135.8°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#5BAC21
RGB	rgb(91, 172, 33)
HSL	hsl(95, 68%, 40%)
HSV	hsv(95, 81%, 67%)
CMYK	cmyk(47.1%, 0%, 80.8%, 32.5%)
CIE-LAB	lab(63.21, -47.32, 58.14)
CIE-LCH	lch(63.21, 74.97, 129.14°)
OKLab	oklab(66.71% -0.1321 0.1285)
OKLCH	oklch(66.71% 0.184 135.8)
XYZ	xyz(19.3409, 31.8378, 6.5647)
Luminance	0.3184 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BAC21 #7221AC

analogous

#A0AC21 #5BAC21 #21AC2C

triadic

#5BAC21 #215BAC #AC215B

tetradic

#5BAC21 #21A0AC #7221AC #AC2C21

square

#5BAC21 #21A0AC #7221AC #AC2C21

split-complementary

#5BAC21 #2C21AC #AC21A0

monochromatic

#25450D #407917 #5BAC21 #77D832 #99E266

Accessibility & contrast

On white

2.85

#5BAC21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#5BAC21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BAC21

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BAC21	#FFFFFF	#000000	##000000
##5BAC21	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D00

Deuteranopia (green-blind)

#A89731

Tritanopia (blue-blind)

#58A593

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #5bac21;
/* rgb */ color: rgb(91, 172, 33);
/* oklch */ color: oklch(66.7% 0.184 135.8);

Tailwind

colors: {
  custom: {
    50: '#91c569',
    500: '#5bac21',
    950: '#000000',
  },
}

SCSS

$custom: #5bac21;
$custom-light: #91c569;
$custom-dark: #000000;

JSON

{
  "hex": "#5bac21",
  "rgb": {
    "r": 91,
    "g": 172,
    "b": 33
  },
  "hsl": {
    "h": 94.964,
    "s": 67.805,
    "l": 40.196
  },
  "oklch": {
    "l": 0.6671,
    "c": 0.18428,
    "h": 135.8
  },
  "luminance": 0.31839
}

Semantic roles & 50–950 ramp

primary

#5BAC21

secondary

#9D62C7

accent

#3DEBA2

background

#F9FCF6

surface

#F2F8EB

border

#CCD1C6

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #5BAC21

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

Preview Lab → · Contrast checker → · Palette generator →