#649D21#649D21

#649D21 is a light, vivid yellow-green. Relative luminance 0.269; OKLCH L 63.3% C 0.161 H 131.8°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#649D21
RGB	rgb(100, 157, 33)
HSL	hsl(88, 65%, 37%)
HSV	hsv(88, 79%, 62%)
CMYK	cmyk(36.3%, 0%, 79%, 38.4%)
CIE-LAB	lab(58.91, -37.98, 54.30)
CIE-LCH	lch(58.91, 66.26, 124.97°)
OKLab	oklab(63.31% -0.1076 0.1202)
OKLCH	oklch(63.31% 0.161 131.8)
XYZ	xyz(17.5868, 26.9324, 5.7104)
Luminance	0.2693 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#649D21 #5A219D

analogous

#9D9821 #649D21 #269D21

triadic

#649D21 #21649D #9D2164

tetradic

#649D21 #219D98 #5A219D #9D2126

square

#649D21 #219D98 #5A219D #9D2126

split-complementary

#649D21 #21269D #98219D

monochromatic

#24380C #446A16 #649D21 #84D02C #A1DD5C

Accessibility & contrast

On white

3.29

#649D21 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#649D21 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #649D21

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##649D21	#FFFFFF	#000000	##000000
##649D21	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A49100

Deuteranopia (green-blind)

#9C8C2E

Tritanopia (blue-blind)

#659686

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #649d21;
/* rgb */ color: rgb(100, 157, 33);
/* oklch */ color: oklch(63.3% 0.161 131.8);

Tailwind

colors: {
  custom: {
    50: '#95ba67',
    500: '#649d21',
    950: '#000000',
  },
}

SCSS

$custom: #649d21;
$custom-light: #95ba67;
$custom-dark: #000000;

JSON

{
  "hex": "#649d21",
  "rgb": {
    "r": 100,
    "g": 157,
    "b": 33
  },
  "hsl": {
    "h": 87.581,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.63305,
    "c": 0.1613,
    "h": 131.8
  },
  "luminance": 0.26933
}

Semantic roles & 50–950 ramp

primary

#649D21

secondary

#8959C1

accent

#40E88D

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1106

muted

#7E807A

Preview Lab

Preview with #649D21

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

Preview Lab → · Contrast checker → · Palette generator →