#599B21#599B21

#599B21 is a light, vivid yellow-green. Relative luminance 0.257; OKLCH L 62.2% C 0.165 H 134.4°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#599B21
RGB	rgb(89, 155, 33)
HSL	hsl(92, 65%, 37%)
HSV	hsv(92, 79%, 61%)
CMYK	cmyk(42.6%, 0%, 78.7%, 39.2%)
CIE-LAB	lab(57.73, -41.05, 52.98)
CIE-LCH	lch(57.73, 67.03, 127.77°)
OKLab	oklab(62.19% -0.1151 0.1177)
OKLCH	oklch(62.19% 0.165 134.4)
XYZ	xyz(16.1154, 25.6755, 5.5453)
Luminance	0.2568 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#599B21 #63219B

analogous

#969B21 #599B21 #219B26

triadic

#599B21 #21599B #9B2159

tetradic

#599B21 #21969B #63219B #9B2621

square

#599B21 #21969B #63219B #9B2621

split-complementary

#599B21 #26219B #9B2196

monochromatic

#1F360C #3C6916 #599B21 #76CD2C #96DC5A

Accessibility & contrast

On white

3.42

#599B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#599B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #599B21

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##599B21	#FFFFFF	#000000	##000000
##599B21	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A18E00

Deuteranopia (green-blind)

#98892E

Tritanopia (blue-blind)

#589584

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #599b21;
/* rgb */ color: rgb(89, 155, 33);
/* oklch */ color: oklch(62.2% 0.165 134.4);

Tailwind

colors: {
  custom: {
    50: '#8eb967',
    500: '#599b21',
    950: '#000000',
  },
}

SCSS

$custom: #599b21;
$custom-light: #8eb967;
$custom-dark: #000000;

JSON

{
  "hex": "#599b21",
  "rgb": {
    "r": 89,
    "g": 155,
    "b": 33
  },
  "hsl": {
    "h": 92.459,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.62187,
    "c": 0.16463,
    "h": 134.4
  },
  "luminance": 0.25676
}

Semantic roles & 50–950 ramp

primary

#599B21

secondary

#9058C0

accent

#40E89B

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1106

muted

#7E807A

Preview Lab

Preview with #599B21

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

Preview Lab → · Contrast checker → · Palette generator →