#63743B

Closest named color: Muddy Green (#657432). oklch(53.1% 0.084 122.9), rgb(99, 116, 59).

Aa

White text reads best on this color (5.13:1).

About this color

#63743B is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 53%, its chroma 0.084 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.010 away. White text reads best on it, at 5.13:1.

Hue familyYellows
Lightnessmedium-dark (53%)
Chromamoderately saturated (0.084)
Temperaturein between
Nearest nameMuddy Green (#657432)
Black text4.09:1
White text5.13:1

Values

HEX#63743B
RGBrgb(99, 116, 59)
HSLhsl(78, 33%, 34%)
OKLCHoklch(53.1% 0.084 122.9)

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 #63743B 5.13:1 AA Lc -80.7 Fine for body text
Black text on #63743B 4.09:1 AA large text Lc 28.7 Dividers and decoration only
#63743B text on white 5.13:1 AA Lc 75.3 Fine for body text
#63743B text on black 4.09:1 AA large text Lc -26.4 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 600.

  1. Step 50

    50

    #F5F6F2

    oklch(97.1% 0.005 117.9)

  2. Step 100

    100

    #E8EBE3

    oklch(93.6% 0.011 123.5)

  3. Step 200

    200

    #D6DCCD

    oklch(88.6% 0.021 124.7)

  4. Step 300

    300

    #BCC5AB

    oklch(80.9% 0.037 122.8)

  5. Step 400

    400

    #99A77E

    oklch(70.6% 0.06 123.2)

  6. Step 500

    500

    #81915C

    oklch(63% 0.077 122.3)

  7. Step 600

    600 (this color)

    #63743B

    oklch(53.1% 0.084 122.9)

  8. Step 700

    700

    #586834

    oklch(49.1% 0.078 123.3)

  9. Step 800

    800

    #48552C

    oklch(42.7% 0.064 123.5)

  10. Step 900

    900

    #3C4627

    oklch(37.6% 0.051 123.4)

  11. Step 950

    950

    #232917

    oklch(26.9% 0.033 123.6)

Export this scale for Tailwind in the Tailwind colors tool

#63743B 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)#7A6E360.036
Deuteranopia (no green cones)#786E3E0.037
Tritanopia (no blue cones)#676F670.069
Achromatopsia (no color)#6E6E6E0.084

Harmonies

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

Complementary

The opposite hue (180°).

  • #63743B

    #63743B

    oklch(53.1% 0.084 122.9)

  • #766094

    #766094

    oklch(53.1% 0.083 303.1)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #63743B

    #63743B

    oklch(53.1% 0.084 122.9)

  • #7D6B2D

    #7D6B2D

    oklch(53.2% 0.084 93.1)

  • #437A55

    #437A55

    oklch(53.1% 0.083 153.3)

Open the analogous palette in the generator

Split complementary

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

  • #63743B

    #63743B

    oklch(53.1% 0.084 122.9)

  • #5C699D

    #5C699D

    oklch(53.2% 0.083 272.6)

  • #895981

    #895981

    oklch(53% 0.084 332.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #63743B

    #63743B

    oklch(53.1% 0.084 122.9)

  • #3D7199

    #3D7199

    oklch(53% 0.084 243.6)

  • #945767

    #945767

    oklch(53.1% 0.083 3.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #63743B

    #63743B

    oklch(53.1% 0.084 122.9)

  • #1F7889

    #1F7889

    oklch(53% 0.084 213.6)

  • #766094

    #766094

    oklch(53.1% 0.083 303.1)

  • #96594C

    #96594C

    oklch(53% 0.084 32.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #63743B, closest first.

Similar named colors

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

Use #63743B 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.