#649F23#649F23

#649F23 is a light, vivid yellow-green. Relative luminance 0.276; OKLCH L 63.8% C 0.163 H 132.3°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#649F23
RGB	rgb(100, 159, 35)
HSL	hsl(89, 64%, 38%)
HSV	hsv(89, 78%, 62%)
CMYK	cmyk(37.1%, 0%, 78%, 37.6%)
CIE-LAB	lab(59.55, -38.74, 54.25)
CIE-LCH	lch(59.55, 66.67, 125.53°)
OKLab	oklab(63.83% -0.1095 0.1204)
OKLCH	oklch(63.83% 0.163 132.3)
XYZ	xyz(17.9568, 27.6262, 5.9760)
Luminance	0.2763 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#649F23 #5E239F

analogous

#9F9C23 #649F23 #269F23

triadic

#649F23 #23649F #9F2364

tetradic

#649F23 #239F9C #5E239F #9F2326

square

#649F23 #239F9C #5E239F #9F2326

split-complementary

#649F23 #23269F #9C239F

monochromatic

#253B0D #446D18 #649F23 #84D12E #A1DC60

Accessibility & contrast

On white

3.22

#649F23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#649F23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #649F23

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##649F23	#FFFFFF	#000000	##000000
##649F23	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69202

Deuteranopia (green-blind)

#9E8E30

Tritanopia (blue-blind)

#659888

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #649f23;
/* rgb */ color: rgb(100, 159, 35);
/* oklch */ color: oklch(63.8% 0.163 132.3);

Tailwind

colors: {
  custom: {
    50: '#95bc68',
    500: '#649f23',
    950: '#000000',
  },
}

SCSS

$custom: #649f23;
$custom-light: #95bc68;
$custom-dark: #000000;

JSON

{
  "hex": "#649f23",
  "rgb": {
    "r": 100,
    "g": 159,
    "b": 35
  },
  "hsl": {
    "h": 88.548,
    "s": 63.918,
    "l": 38.039
  },
  "oklch": {
    "l": 0.63829,
    "c": 0.16276,
    "h": 132.3
  },
  "luminance": 0.27627
}

Semantic roles & 50–950 ramp

primary

#649F23

secondary

#8C5DC1

accent

#41E790

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #649F23

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

Preview Lab → · Contrast checker → · Palette generator →