#646E1C#646E1C

#646E1C is a mid, moderate yellow. Relative luminance 0.139; OKLCH L 51.3% C 0.104 H 116.3°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#646E1C
RGB	rgb(100, 110, 28)
HSL	hsl(67, 59%, 27%)
HSV	hsv(67, 75%, 43%)
CMYK	cmyk(9.1%, 0%, 74.5%, 56.9%)
CIE-LAB	lab(44.15, -15.32, 41.94)
CIE-LCH	lch(44.15, 44.65, 110.06°)
OKLab	oklab(51.33% -0.0461 0.0934)
OKLCH	oklch(51.33% 0.104 116.3)
XYZ	xyz(11.0413, 13.9452, 3.2084)
Luminance	0.1394 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E1C #261C6E

analogous

#6E4F1C #646E1C #3B6E1C

triadic

#646E1C #1C646E #6E1C64

tetradic

#646E1C #1C6E4F #261C6E #6E1C3B

square

#646E1C #1C6E4F #261C6E #6E1C3B

split-complementary

#646E1C #1C3B6E #4F1C6E

monochromatic

#161806 #383D10 #646E1C #909F28 #BACC38

Accessibility & contrast

On white

5.54

#646E1C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#646E1C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E1C

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E1C	#FFFFFF	#000000	##FFFFFF
##646E1C	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#76680E

Deuteranopia (green-blind)

#756923

Tritanopia (blue-blind)

#6B675E

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646e1c;
/* rgb */ color: rgb(100, 110, 28);
/* oklch */ color: oklch(51.3% 0.104 116.3);

Tailwind

colors: {
  custom: {
    50: '#93975e',
    500: '#646e1c',
    950: '#000000',
  },
}

SCSS

$custom: #646e1c;
$custom-light: #93975e;
$custom-dark: #000000;

JSON

{
  "hex": "#646e1c",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 28
  },
  "hsl": {
    "h": 67.317,
    "s": 59.42,
    "l": 27.059
  },
  "oklch": {
    "l": 0.51332,
    "c": 0.10413,
    "h": 116.3
  },
  "luminance": 0.13945
}

Semantic roles & 50–950 ramp

primary

#646E1C

secondary

#4F43A3

accent

#45E358

background

#F9F9F5

surface

#F2F2E9

border

#CCCCC5

text

#0D0D05

muted

#7E7E79

Preview Lab

Preview with #646E1C

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

Preview Lab → · Contrast checker → · Palette generator →