#5A9F18#5A9F18

#5A9F18 is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.2% C 0.173 H 134.1°. Best body text is #000000 at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#5A9F18
RGB	rgb(90, 159, 24)
HSL	hsl(91, 74%, 36%)
HSV	hsv(91, 85%, 62%)
CMYK	cmyk(43.4%, 0%, 84.9%, 37.6%)
CIE-LAB	lab(59.01, -42.82, 56.77)
CIE-LCH	lch(59.01, 71.11, 127.03°)
OKLab	oklab(63.24% -0.1205 0.1242)
OKLCH	oklch(63.24% 0.173 134.1)
XYZ	xyz(16.7791, 27.0349, 5.1981)
Luminance	0.2704 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A9F18 #5D189F

analogous

#9D9F18 #5A9F18 #189F1A

triadic

#5A9F18 #185A9F #9F185A

tetradic

#5A9F18 #189D9F #5D189F #9F1A18

square

#5A9F18 #189D9F #5D189F #9F1A18

split-complementary

#5A9F18 #1A189F #9F189D

monochromatic

#1E3508 #3C6A10 #5A9F18 #78D420 #97E44D

Accessibility & contrast

On white

3.28

#5A9F18 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.41

#5A9F18 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A9F18

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A9F18	#FFFFFF	#000000	##000000
##5A9F18	1.00	3.28	6.41	6.41
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.41	21.00	1.00	1.00
##000000	6.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9C8C29

Tritanopia (blue-blind)

#599887

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5a9f18;
/* rgb */ color: rgb(90, 159, 24);
/* oklch */ color: oklch(63.2% 0.173 134.1);

Tailwind

colors: {
  custom: {
    50: '#8fbc64',
    500: '#5a9f18',
    950: '#000000',
  },
}

SCSS

$custom: #5a9f18;
$custom-light: #8fbc64;
$custom-dark: #000000;

JSON

{
  "hex": "#5a9f18",
  "rgb": {
    "r": 90,
    "g": 159,
    "b": 24
  },
  "hsl": {
    "h": 90.667,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.63236,
    "c": 0.17307,
    "h": 134.1
  },
  "luminance": 0.27036
}

Semantic roles & 50–950 ramp

primary

#5A9F18

secondary

#8B4DC6

accent

#37F096

background

#F9FBF6

surface

#F1F6EB

border

#CBD0C6

text

#0D1206

muted

#7E817A

Preview Lab

Preview with #5A9F18

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

Preview Lab → · Contrast checker → · Palette generator →