#649F21#649F21

#649F21 is a light, vivid yellow-green. Relative luminance 0.276; OKLCH L 63.8% C 0.164 H 132.2°. Best body text is #000000 at 6.52:1 contrast (WCAG AA passes).

Color values

HEX	#649F21
RGB	rgb(100, 159, 33)
HSL	hsl(88, 66%, 38%)
HSV	hsv(88, 79%, 62%)
CMYK	cmyk(37.1%, 0%, 79.2%, 37.6%)
CIE-LAB	lab(59.54, -38.85, 54.88)
CIE-LCH	lch(59.54, 67.24, 125.29°)
OKLab	oklab(63.82% -0.1099 0.1214)
OKLCH	oklch(63.82% 0.164 132.2)
XYZ	xyz(17.9280, 27.6146, 5.8241)
Luminance	0.2762 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#649F21 #5C219F

analogous

#9F9B21 #649F21 #259F21

triadic

#649F21 #21649F #9F2164

tetradic

#649F21 #219F9B #5C219F #9F2125

square

#649F21 #219F9B #5C219F #9F2125

split-complementary

#649F21 #21259F #9B219F

monochromatic

#243A0C #446C16 #649F21 #84D22C #A1DD5D

Accessibility & contrast

On white

3.22

#649F21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.52

#649F21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #649F21

6.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##649F21	#FFFFFF	#000000	##000000
##649F21	1.00	3.22	6.52	6.52
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.52	21.00	1.00	1.00
##000000	6.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69200

Deuteranopia (green-blind)

#9E8E2F

Tritanopia (blue-blind)

#659888

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #649f21;
/* rgb */ color: rgb(100, 159, 33);
/* oklch */ color: oklch(63.8% 0.164 132.2);

Tailwind

colors: {
  custom: {
    50: '#95bc67',
    500: '#649f21',
    950: '#000000',
  },
}

SCSS

$custom: #649f21;
$custom-light: #95bc67;
$custom-dark: #000000;

JSON

{
  "hex": "#649f21",
  "rgb": {
    "r": 100,
    "g": 159,
    "b": 33
  },
  "hsl": {
    "h": 88.095,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.63817,
    "c": 0.1638,
    "h": 132.2
  },
  "luminance": 0.27615
}

Semantic roles & 50–950 ramp

primary

#649F21

secondary

#8B5AC2

accent

#3FE98F

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1207

muted

#7E817A

Preview Lab

Preview with #649F21

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

Preview Lab → · Contrast checker → · Palette generator →