#599F18#599F18

#599F18 is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.2% C 0.174 H 134.3°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#599F18
RGB	rgb(89, 159, 24)
HSL	hsl(91, 74%, 36%)
HSV	hsv(91, 85%, 62%)
CMYK	cmyk(44%, 0%, 84.9%, 37.6%)
CIE-LAB	lab(58.96, -43.16, 56.71)
CIE-LCH	lch(58.96, 71.26, 127.27°)
OKLab	oklab(63.19% -0.1213 0.1241)
OKLCH	oklch(63.19% 0.174 134.3)
XYZ	xyz(16.6825, 26.9851, 5.1936)
Luminance	0.2699 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#599F18 #5E189F

analogous

#9C9F18 #599F18 #189F1A

triadic

#599F18 #18599F #9F1859

tetradic

#599F18 #189C9F #5E189F #9F1A18

square

#599F18 #189C9F #5E189F #9F1A18

split-complementary

#599F18 #1A189F #9F189C

monochromatic

#1D3508 #3B6A10 #599F18 #77D420 #96E44D

Accessibility & contrast

On white

3.28

#599F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#599F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #599F18

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##599F18	#FFFFFF	#000000	##000000
##599F18	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9C8C29

Tritanopia (blue-blind)

#589887

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #599f18;
/* rgb */ color: rgb(89, 159, 24);
/* oklch */ color: oklch(63.2% 0.174 134.3);

Tailwind

colors: {
  custom: {
    50: '#8fbc64',
    500: '#599f18',
    950: '#000000',
  },
}

SCSS

$custom: #599f18;
$custom-light: #8fbc64;
$custom-dark: #000000;

JSON

{
  "hex": "#599f18",
  "rgb": {
    "r": 89,
    "g": 159,
    "b": 24
  },
  "hsl": {
    "h": 91.111,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.63185,
    "c": 0.17358,
    "h": 134.3
  },
  "luminance": 0.26986
}

Semantic roles & 50–950 ramp

primary

#599F18

secondary

#8C4DC6

accent

#37F097

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #599F18

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

Preview Lab → · Contrast checker → · Palette generator →