#EF780F

Closest named color: Orange Wheel (#F77F00). oklch(69.8% 0.175 52.3), rgb(239, 120, 15).

Aa

Black text reads best on this color (7.36:1).

About this color

#EF780F is a medium-light, vivid orange. In OKLCH its lightness is 70%, its chroma 0.175 and its hue 52°. Its hue sits on the warm side of the wheel. The nearest named color is Orange Wheel (#F77F00), ΔE 0.023 away. Black text reads best on it, at 7.36:1.

Hue familyOranges
Lightnessmedium-light (70%)
Chromavivid (0.175)
Temperaturewarm
Nearest nameOrange Wheel (#F77F00)
Black text7.36:1
White text2.85:1

Values

HEX#EF780F
RGBrgb(239, 120, 15)
HSLhsl(28, 88%, 50%)
OKLCHoklch(69.8% 0.175 52.3)

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 #EF780F 2.85:1 Fails Lc -59.3 Large or bold text, headings
Black text on #EF780F 7.36:1 AAA Lc 50.1 Large or bold text, headings
#EF780F text on white 2.85:1 Fails Lc 54.0 Large or bold text, headings
#EF780F text on black 7.36:1 AAA Lc -47.8 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

    #FEF3ED

    oklch(97.1% 0.014 50.8)

  2. Step 100

    100

    #FCE5D7

    oklch(93.7% 0.032 53.5)

  3. Step 200

    200

    #FBCFB5

    oklch(88.6% 0.061 52.2)

  4. Step 300

    300

    #F9AC7D

    oklch(80.8% 0.11 52)

  5. Step 400

    400 (this color)

    #EF780F

    oklch(69.8% 0.175 52.3)

  6. Step 500

    500

    #D26700

    oklch(63% 0.161 52.4)

  7. Step 600

    600

    #B25600

    oklch(55.7% 0.143 52.2)

  8. Step 700

    700

    #964800

    oklch(49.2% 0.125 52.6)

  9. Step 800

    800

    #7C3A00

    oklch(42.8% 0.11 52.3)

  10. Step 900

    900

    #683000

    oklch(37.8% 0.096 52.7)

  11. Step 950

    950

    #401B00

    oklch(27.2% 0.069 52.7)

Export this scale for Tailwind in the Tailwind colors tool

#EF780F 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)#9B88000.148
Deuteranopia (no green cones)#B8A3080.133
Tritanopia (no blue cones)#FF5C670.106
Achromatopsia (no color)#9999990.176

Harmonies

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

Complementary

The opposite hue (180°).

  • #EF780F

    #EF780F

    oklch(69.8% 0.175 52.3)

  • #00ABE7

    #00ABE7

    oklch(69.7% 0.143 232.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #EF780F

    #EF780F

    oklch(69.8% 0.175 52.3)

  • #F7696A

    #F7696A

    oklch(69.7% 0.175 22.3)

  • #C99300

    #C99300

    oklch(69.7% 0.143 82.3)

Open the analogous palette in the generator

Split complementary

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

  • #EF780F

    #EF780F

    oklch(69.8% 0.175 52.3)

  • #00B3BE

    #00B3BE

    oklch(69.8% 0.119 202.6)

  • #679BFF

    #679BFF

    oklch(69.9% 0.158 262.3)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #EF780F

    #EF780F

    oklch(69.8% 0.175 52.3)

  • #00B895

    #00B895

    oklch(69.7% 0.134 172.6)

  • #A285FF

    #A285FF

    oklch(69.7% 0.174 292.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #EF780F

    #EF780F

    oklch(69.8% 0.175 52.3)

  • #53B84C

    #53B84C

    oklch(69.9% 0.175 142.3)

  • #00ABE7

    #00ABE7

    oklch(69.7% 0.143 232.7)

  • #CF74DD

    #CF74DD

    oklch(69.8% 0.175 322.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EF780F, closest first.

Similar named colors

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

Use #EF780F 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.