#649B21#649B21

#649B21 is a light, vivid yellow-green. Relative luminance 0.263; OKLCH L 62.8% C 0.159 H 131.5°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#649B21
RGB	rgb(100, 155, 33)
HSL	hsl(87, 65%, 37%)
HSV	hsv(87, 79%, 61%)
CMYK	cmyk(35.5%, 0%, 78.7%, 39.2%)
CIE-LAB	lab(58.28, -37.10, 53.71)
CIE-LCH	lch(58.28, 65.27, 124.63°)
OKLab	oklab(62.79% -0.1052 0.119)
OKLCH	oklch(62.79% 0.159 131.5)
XYZ	xyz(17.2512, 26.2611, 5.5985)
Luminance	0.2626 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#649B21 #58219B

analogous

#9B9521 #649B21 #279B21

triadic

#649B21 #21649B #9B2164

tetradic

#649B21 #219B95 #58219B #9B2127

square

#649B21 #219B95 #58219B #9B2127

split-complementary

#649B21 #21279B #95219B

monochromatic

#23360C #436916 #649B21 #85CD2C #A2DC5A

Accessibility & contrast

On white

3.36

#649B21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#649B21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #649B21

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##649B21	#FFFFFF	#000000	##000000
##649B21	1.00	3.36	6.25	6.25
#FFFFFF	3.36	1.00	21.00	21.00
#000000	6.25	21.00	1.00	1.00
##000000	6.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A28F00

Deuteranopia (green-blind)

#9A8B2E

Tritanopia (blue-blind)

#669484

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #649b21;
/* rgb */ color: rgb(100, 155, 33);
/* oklch */ color: oklch(62.8% 0.159 131.5);

Tailwind

colors: {
  custom: {
    50: '#95b967',
    500: '#649b21',
    950: '#000000',
  },
}

SCSS

$custom: #649b21;
$custom-light: #95b967;
$custom-dark: #000000;

JSON

{
  "hex": "#649b21",
  "rgb": {
    "r": 100,
    "g": 155,
    "b": 33
  },
  "hsl": {
    "h": 87.049,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.62792,
    "c": 0.15879,
    "h": 131.5
  },
  "luminance": 0.26262
}

Semantic roles & 50–950 ramp

primary

#649B21

secondary

#8758C0

accent

#40E88C

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #649B21

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

Preview Lab → · Contrast checker → · Palette generator →