#649B23#649B23

#649B23 is a light, vivid yellow-green. Relative luminance 0.263; OKLCH L 62.8% C 0.158 H 131.6°. Best body text is #000000 at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#649B23
RGB	rgb(100, 155, 35)
HSL	hsl(88, 63%, 37%)
HSV	hsv(88, 77%, 61%)
CMYK	cmyk(35.5%, 0%, 77.4%, 39.2%)
CIE-LAB	lab(58.30, -36.99, 53.06)
CIE-LCH	lch(58.30, 64.68, 124.88°)
OKLab	oklab(62.81% -0.1047 0.1179)
OKLCH	oklch(62.81% 0.158 131.6)
XYZ	xyz(17.2801, 26.2727, 5.7505)
Luminance	0.2627 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#649B23 #5A239B

analogous

#9B9623 #649B23 #289B23

triadic

#649B23 #23649B #9B2364

tetradic

#649B23 #239B96 #5A239B #9B2328

square

#649B23 #239B96 #5A239B #9B2328

split-complementary

#649B23 #23289B #96239B

monochromatic

#24370C #446918 #649B23 #84CD2E #A1DB5E

Accessibility & contrast

On white

3.36

#649B23 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.25

#649B23 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #649B23

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##649B23	#FFFFFF	#000000	##000000
##649B23	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)

#A28F05

Deuteranopia (green-blind)

#9A8B2F

Tritanopia (blue-blind)

#669484

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #649b23;
/* rgb */ color: rgb(100, 155, 35);
/* oklch */ color: oklch(62.8% 0.158 131.6);

Tailwind

colors: {
  custom: {
    50: '#95b968',
    500: '#649b23',
    950: '#000000',
  },
}

SCSS

$custom: #649b23;
$custom-light: #95b968;
$custom-dark: #000000;

JSON

{
  "hex": "#649b23",
  "rgb": {
    "r": 100,
    "g": 155,
    "b": 35
  },
  "hsl": {
    "h": 87.5,
    "s": 63.158,
    "l": 37.255
  },
  "oklch": {
    "l": 0.62805,
    "c": 0.15772,
    "h": 131.6
  },
  "luminance": 0.26273
}

Semantic roles & 50–950 ramp

primary

#649B23

secondary

#895ABF

accent

#42E68D

background

#F9FBF6

surface

#F2F6EB

border

#CCD0C6

text

#0E1107

muted

#7E807A

Preview Lab

Preview with #649B23

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

Preview Lab → · Contrast checker → · Palette generator →