#646D30#646D30

#646D30 is a mid, moderate yellow. Relative luminance 0.139; OKLCH L 51.3% C 0.085 H 116.5°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#646D30
RGB	rgb(100, 109, 48)
HSL	hsl(69, 39%, 31%)
HSV	hsv(69, 56%, 43%)
CMYK	cmyk(8.3%, 0%, 56%, 57.3%)
CIE-LAB	lab(44.03, -13.21, 32.47)
CIE-LCH	lch(44.03, 35.05, 112.13°)
OKLab	oklab(51.29% -0.038 0.0763)
OKLCH	oklch(51.29% 0.085 116.5)
XYZ	xyz(11.2578, 13.8601, 4.8779)
Luminance	0.1386 (WCAG relative)
Temperature	warm
Family	yellow

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#646D30 #39306D

analogous

#6D5730 #646D30 #456D30

triadic

#646D30 #30646D #6D3064

tetradic

#646D30 #306D57 #39306D #6D3045

square

#646D30 #306D57 #39306D #6D3045

split-complementary

#646D30 #30456D #57306D

monochromatic

#16180B #3D431D #646D30 #8B9743 #ABB85F

Accessibility & contrast

On white

5.57

#646D30 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#646D30 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #646D30

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##646D30	#FFFFFF	#000000	##FFFFFF
##646D30	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#74682A

Deuteranopia (green-blind)

#736933

Tritanopia (blue-blind)

#6A675F

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #646d30;
/* rgb */ color: rgb(100, 109, 48);
/* oklch */ color: oklch(51.3% 0.085 116.5);

Tailwind

colors: {
  custom: {
    50: '#92966a',
    500: '#646d30',
    950: '#000000',
  },
}

SCSS

$custom: #646d30;
$custom-light: #92966a;
$custom-dark: #000000;

JSON

{
  "hex": "#646d30",
  "rgb": {
    "r": 100,
    "g": 109,
    "b": 48
  },
  "hsl": {
    "h": 68.852,
    "s": 38.854,
    "l": 30.784
  },
  "oklch": {
    "l": 0.51294,
    "c": 0.08519,
    "h": 116.5
  },
  "luminance": 0.1386
}

Semantic roles & 50–950 ramp

primary

#646D30

secondary

#655B9E

accent

#59CF6A

background

#F9F9F6

surface

#F1F2EB

border

#CBCCC6

text

#0D0D06

muted

#7E7E7A

Preview Lab

Preview with #646D30

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

Preview Lab → · Contrast checker → · Palette generator →