#5B802B#5B802B

#5B802B is a mid, vivid yellow-green. Relative luminance 0.178; OKLCH L 55.4% C 0.121 H 129.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#5B802B
RGB	rgb(91, 128, 43)
HSL	hsl(86, 50%, 34%)
HSV	hsv(86, 66%, 50%)
CMYK	cmyk(28.9%, 0%, 66.4%, 49.8%)
CIE-LAB	lab(49.30, -27.39, 40.62)
CIE-LCH	lch(49.30, 49.00, 123.99°)
OKLab	oklab(55.36% -0.0774 0.0932)
OKLCH	oklch(55.36% 0.121 129.7)
XYZ	xyz(12.4695, 17.8366, 5.0709)
Luminance	0.1784 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B802B #502B80

analogous

#807A2B #5B802B #30802B

triadic

#5B802B #2B5B80 #802B5B

tetradic

#5B802B #2B807A #502B80 #802B30

square

#5B802B #2B807A #502B80 #802B30

split-complementary

#5B802B #2B3080 #7A2B80

monochromatic

#1A240C #3A521C #5B802B #7CAE3A #9AC95D

Accessibility & contrast

On white

4.60

#5B802B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#5B802B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #5B802B

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B802B	#FFFFFF	#000000	##FFFFFF
##5B802B	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#867720

Deuteranopia (green-blind)

#817432

Tritanopia (blue-blind)

#5D7A6E

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #5b802b;
/* rgb */ color: rgb(91, 128, 43);
/* oklch */ color: oklch(55.4% 0.121 129.7);

Tailwind

colors: {
  custom: {
    50: '#8ca569',
    500: '#5b802b',
    950: '#000000',
  },
}

SCSS

$custom: #5b802b;
$custom-light: #8ca569;
$custom-dark: #000000;

JSON

{
  "hex": "#5b802b",
  "rgb": {
    "r": 91,
    "g": 128,
    "b": 43
  },
  "hsl": {
    "h": 86.118,
    "s": 49.708,
    "l": 33.529
  },
  "oklch": {
    "l": 0.55359,
    "c": 0.12112,
    "h": 129.7
  },
  "luminance": 0.17837
}

Semantic roles & 50–950 ramp

primary

#5B802B

secondary

#7E58AE

accent

#4FD98B

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C0F06

muted

#7D7F7A

Preview Lab

Preview with #5B802B

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

Preview Lab → · Contrast checker → · Palette generator →