#646E27#646E27

#646E27 is a mid, moderate yellow. Relative luminance 0.140; OKLCH L 51.4% C 0.095 H 116.7°. Best body text is #FFFFFF at 5.52:1 contrast (WCAG AA passes).

Color values

HEX	#646E27
RGB	rgb(100, 110, 39)
HSL	hsl(68, 48%, 29%)
HSV	hsv(68, 65%, 43%)
CMYK	cmyk(9.1%, 0%, 64.5%, 56.9%)
CIE-LAB	lab(44.24, -14.56, 37.20)
CIE-LCH	lch(44.24, 39.95, 111.37°)
OKLab	oklab(51.43% -0.0428 0.0852)
OKLCH	oklch(51.43% 0.095 116.7)
XYZ	xyz(11.1979, 14.0078, 4.0329)
Luminance	0.1401 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646E27 #31276E

analogous

#6E5527 #646E27 #416E27

triadic

#646E27 #27646E #6E2764

tetradic

#646E27 #276E55 #31276E #6E2741

square

#646E27 #276E55 #31276E #6E2741

split-complementary

#646E27 #27416E #55276E

monochromatic

#151708 #3B4117 #646E27 #8D9B37 #B1C14F

Accessibility & contrast

On white

5.52

#646E27 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.80

#646E27 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646E27

5.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646E27	#FFFFFF	#000000	##FFFFFF
##646E27	1.00	5.52	3.80	5.52
#FFFFFF	5.52	1.00	21.00	1.00
#000000	3.80	21.00	1.00	21.00
##FFFFFF	5.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#75681F

Deuteranopia (green-blind)

#75692C

Tritanopia (blue-blind)

#6A685F

Achromatopsia (no color)

#696969

Design tokens & code

CSS

--color: #646e27;
/* rgb */ color: rgb(100, 110, 39);
/* oklch */ color: oklch(51.4% 0.095 116.7);

Tailwind

colors: {
  custom: {
    50: '#929765',
    500: '#646e27',
    950: '#000000',
  },
}

SCSS

$custom: #646e27;
$custom-light: #929765;
$custom-dark: #000000;

JSON

{
  "hex": "#646e27",
  "rgb": {
    "r": 100,
    "g": 110,
    "b": 39
  },
  "hsl": {
    "h": 68.451,
    "s": 47.651,
    "l": 29.216
  },
  "oklch": {
    "l": 0.51433,
    "c": 0.09535,
    "h": 116.7
  },
  "luminance": 0.14008
}

Semantic roles & 50–950 ramp

primary

#646E27

secondary

#5C50A1

accent

#51D764

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646E27

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

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