#5B8E1B#5B8E1B

#5B8E1B is a mid, vivid yellow-green. Relative luminance 0.216; OKLCH L 58.9% C 0.150 H 131.4°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#5B8E1B
RGB	rgb(91, 142, 27)
HSL	hsl(87, 68%, 33%)
HSV	hsv(87, 81%, 56%)
CMYK	cmyk(35.9%, 0%, 81%, 44.3%)
CIE-LAB	lab(53.65, -35.01, 51.11)
CIE-LCH	lch(53.65, 61.95, 124.41°)
OKLab	oklab(58.87% -0.0994 0.1127)
OKLCH	oklch(58.87% 0.15 131.4)
XYZ	xyz(14.1851, 21.6487, 4.4679)
Luminance	0.2165 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8E1B #4E1B8E

analogous

#8E871B #5B8E1B #218E1B

triadic

#5B8E1B #1B5B8E #8E1B5B

tetradic

#5B8E1B #1B8E87 #4E1B8E #8E1B21

square

#5B8E1B #1B8E87 #4E1B8E #8E1B21

split-complementary

#5B8E1B #1B218E #871B8E

monochromatic

#192707 #3A5B11 #5B8E1B #7CC125 #9ADC47

Accessibility & contrast

On white

3.94

#5B8E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#5B8E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8E1B

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8E1B	#FFFFFF	#000000	##000000
##5B8E1B	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8E7F28

Tritanopia (blue-blind)

#5D8879

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #5b8e1b;
/* rgb */ color: rgb(91, 142, 27);
/* oklch */ color: oklch(58.9% 0.150 131.4);

Tailwind

colors: {
  custom: {
    50: '#8eaf62',
    500: '#5b8e1b',
    950: '#000000',
  },
}

SCSS

$custom: #5b8e1b;
$custom-light: #8eaf62;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8e1b",
  "rgb": {
    "r": 91,
    "g": 142,
    "b": 27
  },
  "hsl": {
    "h": 86.609,
    "s": 68.047,
    "l": 33.137
  },
  "oklch": {
    "l": 0.58871,
    "c": 0.1503,
    "h": 131.4
  },
  "luminance": 0.21649
}

Semantic roles & 50–950 ramp

primary

#5B8E1B

secondary

#7C47BE

accent

#3DEB8A

background

#F9FAF6

surface

#F1F4EB

border

#CBCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #5B8E1B

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

Preview Lab → · Contrast checker → · Palette generator →