#ECAC37

Closest named color: Squash (#F2AB15). oklch(78.6% 0.146 78), rgb(236, 172, 55).

Aa

Black text reads best on this color (10.52:1).

About this color

#ECAC37 is a light, vivid orange. In OKLCH its lightness is 79%, its chroma 0.146 and its hue 78°. Its hue sits on the warm side of the wheel. The nearest named color is Squash (#F2AB15), ΔE 0.015 away. Black text reads best on it, at 10.52:1.

Hue familyOranges
Lightnesslight (79%)
Chromavivid (0.146)
Temperaturewarm
Nearest nameSquash (#F2AB15)
Black text10.52:1
White text1.99:1

Values

HEX#ECAC37
RGBrgb(236, 172, 55)
HSLhsl(39, 83%, 57%)
OKLCHoklch(78.6% 0.146 78)

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 #ECAC37 1.99:1 Fails Lc -42.8 Non-text elements, placeholder text
Black text on #ECAC37 10.52:1 AAA Lc 65.5 Content text, not long reading
#ECAC37 text on white 1.99:1 Fails Lc 38.4 Non-text elements, placeholder text
#ECAC37 text on black 10.52:1 AAA Lc -64.0 Content text, not long reading

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 300.

  1. Step 50

    50

    #FDF4E7

    oklch(97.1% 0.02 77.3)

  2. Step 100

    100

    #FAE7CB

    oklch(93.6% 0.042 77.6)

  3. Step 200

    200

    #F7D39C

    oklch(88.5% 0.081 78)

  4. Step 300

    300 (this color)

    #ECAC37

    oklch(78.6% 0.146 78)

  5. Step 400

    400

    #D29300

    oklch(70.7% 0.147 78.1)

  6. Step 500

    500

    #B47E00

    oklch(63.1% 0.131 78.5)

  7. Step 600

    600

    #986900

    oklch(55.6% 0.116 77.9)

  8. Step 700

    700

    #805800

    oklch(49.1% 0.102 78.1)

  9. Step 800

    800

    #694800

    oklch(42.7% 0.089 78.7)

  10. Step 900

    900

    #583B00

    oklch(37.6% 0.078 77.7)

  11. Step 950

    950

    #352200

    oklch(26.9% 0.056 77.8)

Export this scale for Tailwind in the Tailwind colors tool

#ECAC37 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)#C4AE230.066
Deuteranopia (no green cones)#D3BE3C0.056
Tritanopia (no blue cones)#FF9A950.125
Achromatopsia (no color)#B7B7B70.146

Harmonies

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

Complementary

The opposite hue (180°).

  • #ECAC37

    #ECAC37

    oklch(78.6% 0.146 78)

  • #8DBBFF

    #8DBBFF

    oklch(78.6% 0.109 258)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #ECAC37

    #ECAC37

    oklch(78.6% 0.146 78)

  • #FF9D69

    #FF9D69

    oklch(78.6% 0.135 48)

  • #C3C03F

    #C3C03F

    oklch(78.7% 0.147 108)

Open the analogous palette in the generator

Split complementary

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

  • #ECAC37

    #ECAC37

    oklch(78.6% 0.146 78)

  • #38CAFF

    #38CAFF

    oklch(78.7% 0.139 227.8)

  • #B5ADFF

    #B5ADFF

    oklch(78.5% 0.116 287.9)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #ECAC37

    #ECAC37

    oklch(78.6% 0.146 78)

  • #00D3D8

    #00D3D8

    oklch(78.7% 0.134 197.8)

  • #E09AF6

    #E09AF6

    oklch(78.6% 0.146 317.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #ECAC37

    #ECAC37

    oklch(78.6% 0.146 78)

  • #37D7A7

    #37D7A7

    oklch(78.7% 0.147 167.8)

  • #8DBBFF

    #8DBBFF

    oklch(78.6% 0.109 258)

  • #FD90CA

    #FD90CA

    oklch(78.6% 0.147 347.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ECAC37, closest first.

Similar named colors

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

Use #ECAC37 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.