#649E1B#649E1B

#649E1B is a light, vivid yellow-green. Relative luminance 0.272; OKLCH L 63.5% C 0.165 H 131.7°. Best body text is #000000 at 6.45:1 contrast (WCAG AA passes).

Color values

HEX	#649E1B
RGB	rgb(100, 158, 27)
HSL	hsl(87, 71%, 36%)
HSV	hsv(87, 83%, 62%)
CMYK	cmyk(36.7%, 0%, 82.9%, 38%)
CIE-LAB	lab(59.20, -38.70, 56.34)
CIE-LCH	lch(59.20, 68.35, 124.49°)
OKLab	oklab(63.53% -0.1099 0.1236)
OKLCH	oklch(63.53% 0.165 131.7)
XYZ	xyz(17.6801, 27.2414, 5.3633)
Luminance	0.2724 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#649E1B #551B9E

analogous

#9E971B #649E1B #239E1B

triadic

#649E1B #1B649E #9E1B64

tetradic

#649E1B #1B9E97 #551B9E #9E1B23

square

#649E1B #1B9E97 #551B9E #9E1B23

split-complementary

#649E1B #1B239E #971B9E

monochromatic

#223509 #436A12 #649E1B #85D224 #A2E152

Accessibility & contrast

On white

3.26

#649E1B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.45

#649E1B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #649E1B

6.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##649E1B	#FFFFFF	#000000	##000000
##649E1B	1.00	3.26	6.45	6.45
#FFFFFF	3.26	1.00	21.00	21.00
#000000	6.45	21.00	1.00	1.00
##000000	6.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A59100

Deuteranopia (green-blind)

#9D8D2B

Tritanopia (blue-blind)

#669786

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #649e1b;
/* rgb */ color: rgb(100, 158, 27);
/* oklch */ color: oklch(63.5% 0.165 131.7);

Tailwind

colors: {
  custom: {
    50: '#95bb65',
    500: '#649e1b',
    950: '#000000',
  },
}

SCSS

$custom: #649e1b;
$custom-light: #95bb65;
$custom-dark: #000000;

JSON

{
  "hex": "#649e1b",
  "rgb": {
    "r": 100,
    "g": 158,
    "b": 27
  },
  "hsl": {
    "h": 86.565,
    "s": 70.811,
    "l": 36.275
  },
  "oklch": {
    "l": 0.63529,
    "c": 0.16537,
    "h": 131.7
  },
  "luminance": 0.27242
}

Semantic roles & 50–950 ramp

primary

#649E1B

secondary

#8451C4

accent

#3AEE8A

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1206

muted

#7E817A

Preview Lab

Preview with #649E1B

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

Preview Lab → · Contrast checker → · Palette generator →