#5B8A21#5B8A21

#5B8A21 is a mid, vivid yellow-green. Relative luminance 0.205; OKLCH L 57.9% C 0.142 H 131.0°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#5B8A21
RGB	rgb(91, 138, 33)
HSL	hsl(87, 61%, 34%)
HSV	hsv(87, 76%, 54%)
CMYK	cmyk(34.1%, 0%, 76.1%, 45.9%)
CIE-LAB	lab(52.41, -32.85, 47.91)
CIE-LCH	lch(52.41, 58.09, 124.44°)
OKLab	oklab(57.87% -0.0931 0.107)
OKLCH	oklch(57.87% 0.142 131)
XYZ	xyz(13.6773, 20.5104, 4.6768)
Luminance	0.2051 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8A21 #50218A

analogous

#8A8421 #5B8A21 #268A21

triadic

#5B8A21 #215B8A #8A215B

tetradic

#5B8A21 #218A84 #50218A #8A2126

square

#5B8A21 #218A84 #50218A #8A2126

split-complementary

#5B8A21 #21268A #84218A

monochromatic

#1A2709 #3A5915 #5B8A21 #7CBB2D #9AD550

Accessibility & contrast

On white

4.12

#5B8A21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#5B8A21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8A21

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8A21	#FFFFFF	#000000	##000000
##5B8A21	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#907F0B

Deuteranopia (green-blind)

#8A7C2B

Tritanopia (blue-blind)

#5D8476

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #5b8a21;
/* rgb */ color: rgb(91, 138, 33);
/* oklch */ color: oklch(57.9% 0.142 131.0);

Tailwind

colors: {
  custom: {
    50: '#8eac64',
    500: '#5b8a21',
    950: '#000000',
  },
}

SCSS

$custom: #5b8a21;
$custom-light: #8eac64;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8a21",
  "rgb": {
    "r": 91,
    "g": 138,
    "b": 33
  },
  "hsl": {
    "h": 86.857,
    "s": 61.404,
    "l": 33.529
  },
  "oklch": {
    "l": 0.57867,
    "c": 0.14185,
    "h": 131
  },
  "luminance": 0.20511
}

Semantic roles & 50–950 ramp

primary

#5B8A21

secondary

#7E4EB9

accent

#43E58B

background

#F9FAF6

surface

#F1F4EB

border

#CBCEC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #5B8A21

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

Preview Lab → · Contrast checker → · Palette generator →