#588B21#588B21

#588B21 is a mid, vivid yellow-green. Relative luminance 0.206; OKLCH L 57.9% C 0.145 H 132.2°. Best body text is #000000 at 5.13:1 contrast (WCAG AA passes).

Color values

HEX	#588B21
RGB	rgb(88, 139, 33)
HSL	hsl(89, 62%, 34%)
HSV	hsv(89, 76%, 55%)
CMYK	cmyk(36.7%, 0%, 76.3%, 45.5%)
CIE-LAB	lab(52.56, -34.45, 48.00)
CIE-LCH	lch(52.56, 59.08, 125.67°)
OKLab	oklab(57.95% -0.0973 0.1072)
OKLCH	oklch(57.95% 0.145 132.2)
XYZ	xyz(13.5315, 20.6492, 4.7113)
Luminance	0.2065 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588B21 #54218B

analogous

#8B8921 #588B21 #238B21

triadic

#588B21 #21588B #8B2158

tetradic

#588B21 #218B89 #54218B #8B2123

square

#588B21 #218B89 #54218B #8B2123

split-complementary

#588B21 #21238B #89218B

monochromatic

#19280A #395A15 #588B21 #77BC2D #96D651

Accessibility & contrast

On white

4.09

#588B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.13

#588B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588B21

5.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588B21	#FFFFFF	#000000	##000000
##588B21	1.00	4.09	5.13	5.13
#FFFFFF	4.09	1.00	21.00	21.00
#000000	5.13	21.00	1.00	1.00
##000000	5.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#91800B

Deuteranopia (green-blind)

#8A7C2B

Tritanopia (blue-blind)

#598577

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #588b21;
/* rgb */ color: rgb(88, 139, 33);
/* oklch */ color: oklch(57.9% 0.145 132.2);

Tailwind

colors: {
  custom: {
    50: '#8cad64',
    500: '#588b21',
    950: '#000000',
  },
}

SCSS

$custom: #588b21;
$custom-light: #8cad64;
$custom-dark: #000000;

JSON

{
  "hex": "#588b21",
  "rgb": {
    "r": 88,
    "g": 139,
    "b": 33
  },
  "hsl": {
    "h": 88.868,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.57948,
    "c": 0.14478,
    "h": 132.2
  },
  "luminance": 0.2065
}

Semantic roles & 50–950 ramp

primary

#588B21

secondary

#824FB9

accent

#43E591

background

#F8FAF6

surface

#F0F4EB

border

#CBCEC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #588B21

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

Preview Lab → · Contrast checker → · Palette generator →