#5B971B#5B971B

#5B971B is a mid, vivid yellow-green. Relative luminance 0.244; OKLCH L 61.2% C 0.162 H 132.9°. Best body text is #000000 at 5.89:1 contrast (WCAG AA passes).

Color values

HEX	#5B971B
RGB	rgb(91, 151, 27)
HSL	hsl(89, 70%, 35%)
HSV	hsv(89, 82%, 59%)
CMYK	cmyk(39.7%, 0%, 82.1%, 40.8%)
CIE-LAB	lab(56.52, -38.96, 53.74)
CIE-LCH	lch(56.52, 66.38, 125.94°)
OKLab	oklab(61.22% -0.11 0.1183)
OKLCH	oklch(61.22% 0.162 132.9)
XYZ	xyz(15.5786, 24.4358, 4.9324)
Luminance	0.2444 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B971B #571B97

analogous

#97951B #5B971B #1D971B

triadic

#5B971B #1B5B97 #971B5B

tetradic

#5B971B #1B9795 #571B97 #971B1D

square

#5B971B #1B9795 #571B97 #971B1D

split-complementary

#5B971B #1B1D97 #951B97

monochromatic

#1C2F08 #3C6312 #5B971B #7ACB24 #99DF4D

Accessibility & contrast

On white

3.57

#5B971B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.89

#5B971B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B971B

5.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B971B	#FFFFFF	#000000	##000000
##5B971B	1.00	3.57	5.89	5.89
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.89	21.00	1.00	1.00
##000000	5.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9D8B00

Deuteranopia (green-blind)

#95862A

Tritanopia (blue-blind)

#5B9181

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #5b971b;
/* rgb */ color: rgb(91, 151, 27);
/* oklch */ color: oklch(61.2% 0.162 132.9);

Tailwind

colors: {
  custom: {
    50: '#8fb663',
    500: '#5b971b',
    950: '#000000',
  },
}

SCSS

$custom: #5b971b;
$custom-light: #8fb663;
$custom-dark: #000000;

JSON

{
  "hex": "#5b971b",
  "rgb": {
    "r": 91,
    "g": 151,
    "b": 27
  },
  "hsl": {
    "h": 89.032,
    "s": 69.663,
    "l": 34.902
  },
  "oklch": {
    "l": 0.61216,
    "c": 0.16154,
    "h": 132.9
  },
  "luminance": 0.24436
}

Semantic roles & 50–950 ramp

primary

#5B971B

secondary

#854CC1

accent

#3BEC91

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1106

muted

#7E807A

Preview Lab

Preview with #5B971B

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

Preview Lab → · Contrast checker → · Palette generator →