#646A26

Closest named color: Dark Moss Green (#606C38). oklch(50.4% 0.091 113.9), rgb(100, 106, 38).

Aa

White text reads best on this color (5.78:1).

About this color

#646A26 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 50%, its chroma 0.091 and its hue 114°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Moss Green (#606C38), ΔE 0.018 away. White text reads best on it, at 5.78:1.

Hue familyYellows
Lightnessmedium-dark (50%)
Chromamoderately saturated (0.091)
Temperaturein between
Nearest nameDark Moss Green (#606C38)
Black text3.63:1
White text5.78:1

Values

HEX#646A26
RGBrgb(100, 106, 38)
HSLhsl(65, 47%, 28%)
OKLCHoklch(50.4% 0.091 113.9)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #646A26 5.78:1 AA Lc -84.1 Fine for body text
Black text on #646A26 3.63:1 AA large text Lc 25.2 Dividers and decoration only
#646A26 text on white 5.78:1 AA Lc 78.9 Fine for body text
#646A26 text on black 3.63:1 AA large text Lc -22.9 Dividers and decoration only

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.

  1. Step 50

    50

    #F5F6F1

    oklch(97.1% 0.007 115.7)

  2. Step 100

    100

    #E9EBE1

    oklch(93.6% 0.013 115.8)

  3. Step 200

    200

    #D8DBC9

    oklch(88.4% 0.024 114.6)

  4. Step 300

    300

    #C0C4A4

    oklch(80.9% 0.044 113.2)

  5. Step 400

    400

    #A0A673

    oklch(70.8% 0.07 113.7)

  6. Step 500

    500

    #89904D

    oklch(63.2% 0.091 113.9)

  7. Step 600

    600

    #73792F

    oklch(55.5% 0.098 113.4)

  8. Step 700

    700 (this color)

    #646A26

    oklch(50.4% 0.091 113.9)

  9. Step 800

    800

    #4F531E

    oklch(42.6% 0.075 113.1)

  10. Step 900

    900

    #41451E

    oklch(37.7% 0.059 114.1)

  11. Step 950

    950

    #262812

    oklch(26.8% 0.037 113.1)

Export this scale for Tailwind in the Tailwind colors tool

#646A26 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#72651E0.024
Deuteranopia (no green cones)#71662A0.025
Tritanopia (no blue cones)#6A645C0.080
Achromatopsia (no color)#6666660.091

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #646A26

    #646A26

    oklch(50.4% 0.091 113.9)

  • #675A93

    #675A93

    oklch(50.5% 0.09 293.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #646A26

    #646A26

    oklch(50.4% 0.091 113.9)

  • #7D5F1C

    #7D5F1C

    oklch(50.4% 0.091 83.4)

  • #427242

    #427242

    oklch(50.5% 0.091 144.1)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #646A26

    #646A26

    oklch(50.4% 0.091 113.9)

  • #496399

    #496399

    oklch(50.4% 0.092 263.9)

  • #7E5282

    #7E5282

    oklch(50.5% 0.091 323.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #646A26

    #646A26

    oklch(50.4% 0.091 113.9)

  • #226C90

    #226C90

    oklch(50.3% 0.091 234.2)

  • #8C4D68

    #8C4D68

    oklch(50.3% 0.091 353.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #646A26

    #646A26

    oklch(50.4% 0.091 113.9)

  • #00727B

    #00727B

    oklch(50.3% 0.086 204.4)

  • #675A93

    #675A93

    oklch(50.5% 0.09 293.4)

  • #914E4B

    #914E4B

    oklch(50.4% 0.091 23.5)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #646A26, closest first.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #646A26 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.