#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
RGBrgb(100, 155, 33)
HSLhsl(87, 65%, 37%)
HSVhsv(87, 79%, 61%)
CMYKcmyk(35.5%, 0%, 78.7%, 39.2%)
CIE-LABlab(58.28, -37.10, 53.71)
CIE-LCHlch(58.28, 65.27, 124.63°)
OKLaboklab(62.79% -0.1052 0.119)
OKLCHoklch(62.79% 0.159 131.5)
XYZxyz(17.2512, 26.2611, 5.5985)
Luminance0.2626 (WCAG relative)
Temperaturewarm
Familyyellow-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
##649B211.003.366.256.25
#FFFFFF3.361.0021.0021.00
#0000006.2521.001.001.00
##0000006.2521.001.001.00

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 →

#649B21 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva