#649C21#649C21

#649C21 is a light, vivid yellow-green. Relative luminance 0.266; OKLCH L 63.0% C 0.160 H 131.7°. Best body text is #000000 at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#649C21
RGB	rgb(100, 156, 33)
HSL	hsl(87, 65%, 37%)
HSV	hsv(87, 79%, 61%)
CMYK	cmyk(35.9%, 0%, 78.8%, 38.8%)
CIE-LAB	lab(58.60, -37.54, 54.00)
CIE-LCH	lch(58.60, 65.77, 124.80°)
OKLab	oklab(63.05% -0.1064 0.1196)
OKLCH	oklch(63.05% 0.16 131.7)
XYZ	xyz(17.4183, 26.5954, 5.6542)
Luminance	0.2660 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#649C21 #59219C

analogous

#9C9721 #649C21 #279C21

triadic

#649C21 #21649C #9C2164

tetradic

#649C21 #219C97 #59219C #9C2127

square

#649C21 #219C97 #59219C #9C2127

split-complementary

#649C21 #21279C #97219C

monochromatic

#23370C #446916 #649C21 #84CF2C #A1DC5B

Accessibility & contrast

On white

3.32

#649C21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.32

#649C21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #649C21

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##649C21	#FFFFFF	#000000	##000000
##649C21	1.00	3.32	6.32	6.32
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.32	21.00	1.00	1.00
##000000	6.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A39000

Deuteranopia (green-blind)

#9B8B2E

Tritanopia (blue-blind)

#669585

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #649c21;
/* rgb */ color: rgb(100, 156, 33);
/* oklch */ color: oklch(63.0% 0.160 131.7);

Tailwind

colors: {
  custom: {
    50: '#95b967',
    500: '#649c21',
    950: '#000000',
  },
}

SCSS

$custom: #649c21;
$custom-light: #95b967;
$custom-dark: #000000;

JSON

{
  "hex": "#649c21",
  "rgb": {
    "r": 100,
    "g": 156,
    "b": 33
  },
  "hsl": {
    "h": 87.317,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.63049,
    "c": 0.16004,
    "h": 131.7
  },
  "luminance": 0.26596
}

Semantic roles & 50–950 ramp

primary

#649C21

secondary

#8858C1

accent

#40E88C

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #649C21

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

Preview Lab → · Contrast checker → · Palette generator →