#5BB31F#5BB31F

#5BB31F is a light, vivid yellow-green. Relative luminance 0.346; OKLCH L 68.5% C 0.193 H 136.3°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#5BB31F
RGB	rgb(91, 179, 31)
HSL	hsl(96, 70%, 41%)
HSV	hsv(96, 83%, 70%)
CMYK	cmyk(49.2%, 0%, 82.7%, 29.8%)
CIE-LAB	lab(65.41, -50.15, 60.71)
CIE-LCH	lch(65.41, 78.74, 129.56°)
OKLab	oklab(68.52% -0.1398 0.1335)
OKLCH	oklch(68.52% 0.193 136.3)
XYZ	xyz(20.6812, 34.5618, 6.8774)
Luminance	0.3456 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BB31F #771FB3

analogous

#A5B31F #5BB31F #1FB32D

triadic

#5BB31F #1F5BB3 #B31F5B

tetradic

#5BB31F #1FA5B3 #771FB3 #B32D1F

square

#5BB31F #1FA5B3 #771FB3 #B32D1F

split-complementary

#5BB31F #2D1FB3 #B31FA5

monochromatic

#264B0D #407F16 #5BB31F #78DC33 #9AE568

Accessibility & contrast

On white

2.65

#5BB31F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#5BB31F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BB31F

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BB31F	#FFFFFF	#000000	##000000
##5BB31F	1.00	2.65	7.91	7.91
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AE9C32

Tritanopia (blue-blind)

#57AC99

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #5bb31f;
/* rgb */ color: rgb(91, 179, 31);
/* oklch */ color: oklch(68.5% 0.193 136.3);

Tailwind

colors: {
  custom: {
    50: '#92ca69',
    500: '#5bb31f',
    950: '#000000',
  },
}

SCSS

$custom: #5bb31f;
$custom-light: #92ca69;
$custom-dark: #000000;

JSON

{
  "hex": "#5bb31f",
  "rgb": {
    "r": 91,
    "g": 179,
    "b": 31
  },
  "hsl": {
    "h": 95.676,
    "s": 70.476,
    "l": 41.176
  },
  "oklch": {
    "l": 0.68515,
    "c": 0.19336,
    "h": 136.3
  },
  "luminance": 0.34563
}

Semantic roles & 50–950 ramp

primary

#5BB31F

secondary

#A164CA

accent

#3BEDA5

background

#F9FCF6

surface

#F2F8EC

border

#CCD1C7

text

#0E1307

muted

#7E827A

Preview Lab

Preview with #5BB31F

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

Preview Lab → · Contrast checker → · Palette generator →