#AC9B39

Closest named color: Brown Yellow (#B29705). oklch(68.6% 0.118 99.4), rgb(172, 155, 57).

Aa

Black text reads best on this color (7.50:1).

About this color

#AC9B39 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 69%, its chroma 0.118 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Brown Yellow (#B29705), ΔE 0.023 away. Black text reads best on it, at 7.50:1.

Hue familyYellows
Lightnessmedium-light (69%)
Chromamoderately saturated (0.118)
Temperaturewarm
Nearest nameBrown Yellow (#B29705)
Black text7.50:1
White text2.79:1

Values

HEX#AC9B39
RGBrgb(172, 155, 57)
HSLhsl(51, 50%, 45%)
OKLCHoklch(68.6% 0.118 99.4)

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 #AC9B39 2.79:1 Fails Lc -59.0 Large or bold text, headings
Black text on #AC9B39 7.50:1 AAA Lc 50.3 Large or bold text, headings
#AC9B39 text on white 2.79:1 Fails Lc 53.8 Large or bold text, headings
#AC9B39 text on black 7.50:1 AAA Lc -48.1 Large or bold text, headings

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 400.

  1. Step 50

    50

    #F7F6EE

    oklch(97.2% 0.011 100.8)

  2. Step 100

    100

    #EDEADA

    oklch(93.5% 0.021 98.1)

  3. Step 200

    200

    #DFDABC

    oklch(88.4% 0.04 99.4)

  4. Step 300

    300

    #CCC28A

    oklch(80.9% 0.075 99.2)

  5. Step 400

    400 (this color)

    #AC9B39

    oklch(68.6% 0.118 99.4)

  6. Step 500

    500

    #9D8A00

    oklch(63.1% 0.131 99.5)

  7. Step 600

    600

    #847400

    oklch(55.7% 0.116 99.7)

  8. Step 700

    700

    #6F6100

    oklch(49.1% 0.102 99.4)

  9. Step 800

    800

    #5B4F00

    oklch(42.7% 0.088 99.2)

  10. Step 900

    900

    #4C4200

    oklch(37.8% 0.078 99.5)

  11. Step 950

    950

    #2D2700

    oklch(27.1% 0.056 100.5)

Export this scale for Tailwind in the Tailwind colors tool

#AC9B39 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)#AA972C0.013
Deuteranopia (no green cones)#AE9D3E0.007
Tritanopia (no blue cones)#B990870.109
Achromatopsia (no color)#9A9A9A0.118

Harmonies

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

Complementary

The opposite hue (180°).

  • #AC9B39

    #AC9B39

    oklch(68.6% 0.118 99.4)

  • #8B91E2

    #8B91E2

    oklch(68.5% 0.119 279.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #AC9B39

    #AC9B39

    oklch(68.6% 0.118 99.4)

  • #C98C3F

    #C98C3F

    oklch(68.7% 0.119 69.7)

  • #83A856

    #83A856

    oklch(68.5% 0.118 129.1)

Open the analogous palette in the generator

Split complementary

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

  • #AC9B39

    #AC9B39

    oklch(68.6% 0.118 99.4)

  • #5C9FE0

    #5C9FE0

    oklch(68.6% 0.118 249.3)

  • #B085D1

    #B085D1

    oklch(68.6% 0.118 309.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #AC9B39

    #AC9B39

    oklch(68.6% 0.118 99.4)

  • #1FABCC

    #1FABCC

    oklch(68.7% 0.119 219.1)

  • #CA7CB2

    #CA7CB2

    oklch(68.6% 0.119 339.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #AC9B39

    #AC9B39

    oklch(68.6% 0.118 99.4)

  • #02B1A9

    #02B1A9

    oklch(68.6% 0.119 189.1)

  • #8B91E2

    #8B91E2

    oklch(68.5% 0.119 279.5)

  • #D8798A

    #D8798A

    oklch(68.5% 0.119 9.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #AC9B39, closest first.

Similar named colors

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

Use #AC9B39 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.