#ACA451

Closest named color: Camel (#C69F59). oklch(70.8% 0.106 103.8), rgb(172, 164, 81).

Aa

Black text reads best on this color (8.18:1).

About this color

#ACA451 is a medium-light, moderately saturated yellow. In OKLCH its lightness is 71%, its chroma 0.106 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Camel (#C69F59), ΔE 0.044 away. Black text reads best on it, at 8.18:1.

Hue familyYellows
Lightnessmedium-light (71%)
Chromamoderately saturated (0.106)
Temperaturewarm
Nearest nameCamel (#C69F59)
Black text8.18:1
White text2.56:1

Values

HEX#ACA451
RGBrgb(172, 164, 81)
HSLhsl(55, 36%, 50%)
OKLCHoklch(70.8% 0.106 103.8)

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 #ACA451 2.56:1 Fails Lc -55.3 Large or bold text, headings
Black text on #ACA451 8.18:1 AAA Lc 53.9 Large or bold text, headings
#ACA451 text on white 2.56:1 Fails Lc 50.2 Large or bold text, headings
#ACA451 text on black 8.18:1 AAA Lc -51.8 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

    #F6F6EF

    oklch(97.1% 0.009 106.6)

  2. Step 100

    100

    #ECEBDC

    oklch(93.7% 0.02 103.7)

  3. Step 200

    200

    #DDDBBF

    oklch(88.6% 0.037 103.8)

  4. Step 300

    300

    #C7C392

    oklch(80.8% 0.065 103.8)

  5. Step 400

    400 (this color)

    #ACA451

    oklch(70.8% 0.106 103.8)

  6. Step 500

    500

    #988C00

    oklch(63.1% 0.133 103.5)

  7. Step 600

    600

    #7F7600

    oklch(55.6% 0.118 104.3)

  8. Step 700

    700

    #6B6300

    oklch(49.2% 0.104 104)

  9. Step 800

    800

    #585100

    oklch(42.8% 0.09 103.8)

  10. Step 900

    900

    #494300

    oklch(37.7% 0.08 103.8)

  11. Step 950

    950

    #2B2701

    oklch(26.9% 0.055 103.5)

Export this scale for Tailwind in the Tailwind colors tool

#ACA451 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)#B09F490.013
Deuteranopia (no green cones)#B3A4550.012
Tritanopia (no blue cones)#B79A910.097
Achromatopsia (no color)#A2A2A20.106

Harmonies

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

Complementary

The opposite hue (180°).

  • #ACA451

    #ACA451

    oklch(70.8% 0.106 103.8)

  • #9898E1

    #9898E1

    oklch(70.8% 0.106 283.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #ACA451

    #ACA451

    oklch(70.8% 0.106 103.8)

  • #C89651

    #C89651

    oklch(70.7% 0.105 73.5)

  • #86AF6A

    #86AF6A

    oklch(70.7% 0.105 133.5)

Open the analogous palette in the generator

Split complementary

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

  • #ACA451

    #ACA451

    oklch(70.8% 0.106 103.8)

  • #71A4E1

    #71A4E1

    oklch(70.7% 0.105 253.6)

  • #B98DCF

    #B98DCF

    oklch(70.8% 0.105 314.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #ACA451

    #ACA451

    oklch(70.8% 0.106 103.8)

  • #49AFD1

    #49AFD1

    oklch(70.8% 0.105 223.4)

  • #CF86B1

    #CF86B1

    oklch(70.8% 0.105 343.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #ACA451

    #ACA451

    oklch(70.8% 0.106 103.8)

  • #3AB5B4

    #3AB5B4

    oklch(70.7% 0.105 194.2)

  • #9898E1

    #9898E1

    oklch(70.8% 0.106 283.4)

  • #DA858D

    #DA858D

    oklch(70.8% 0.105 14)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ACA451, closest first.

Similar named colors

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

Use #ACA451 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.