#5BC21F#5BC21F

#5BC21F is a light, highly saturated yellow-green. Relative luminance 0.409; OKLCH L 72.4% C 0.210 H 137.4°. Best body text is #000000 at 9.18:1 contrast (WCAG AA passes).

Color values

HEX	#5BC21F
RGB	rgb(91, 194, 31)
HSL	hsl(98, 72%, 44%)
HSV	hsv(98, 84%, 76%)
CMYK	cmyk(53.1%, 0%, 84%, 23.9%)
CIE-LAB	lab(70.11, -55.78, 64.93)
CIE-LCH	lch(70.11, 85.60, 130.67°)
OKLab	oklab(72.39% -0.1549 0.1424)
OKLCH	oklch(72.39% 0.21 137.4)
XYZ	xyz(23.8527, 40.9048, 7.9345)
Luminance	0.4091 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BC21F #861FC2

analogous

#ADC21F #5BC21F #1FC235

triadic

#5BC21F #1F5BC2 #C21F5B

tetradic

#5BC21F #1FADC2 #861FC2 #C2351F

square

#5BC21F #1FADC2 #861FC2 #C2351F

split-complementary

#5BC21F #351FC2 #C21FAD

monochromatic

#29580E #428D17 #5BC21F #7AE03E #9EE973

Accessibility & contrast

On white

2.29

#5BC21F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.18

#5BC21F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BC21F

9.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BC21F	#FFFFFF	#000000	##000000
##5BC21F	1.00	2.29	9.18	9.18
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.18	21.00	1.00	1.00
##000000	9.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C9B100

Deuteranopia (green-blind)

#BBA835

Tritanopia (blue-blind)

#53BBA5

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #5bc21f;
/* rgb */ color: rgb(91, 194, 31);
/* oklch */ color: oklch(72.4% 0.210 137.4);

Tailwind

colors: {
  custom: {
    50: '#94d56c',
    500: '#5bc21f',
    950: '#000000',
  },
}

SCSS

$custom: #5bc21f;
$custom-light: #94d56c;
$custom-dark: #000000;

JSON

{
  "hex": "#5bc21f",
  "rgb": {
    "r": 91,
    "g": 194,
    "b": 31
  },
  "hsl": {
    "h": 97.914,
    "s": 72.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.7239,
    "c": 0.21043,
    "h": 137.4
  },
  "luminance": 0.40907
}

Semantic roles & 50–950 ramp

primary

#5BC21F

secondary

#AB6DCF

accent

#39EFAC

background

#F9FDF6

surface

#F2FAEC

border

#CCD3C7

text

#0E1408

muted

#7E837A

Preview Lab

Preview with #5BC21F

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

Preview Lab → · Contrast checker → · Palette generator →