#ECA540
Closest named color: Gamboge (#EE9B00). oklch(77.3% 0.141 72), rgb(236, 165, 64).
Aa
Black text reads best on this color (10.02:1).
About this color
#ECA540 is a medium-light, vivid orange. In OKLCH its lightness is 77%, its chroma 0.141 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.028 away. Black text reads best on it, at 10.02:1.
| Hue family | Oranges |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.141) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 10.02:1 |
| White text | 2.09:1 |
Values
| HEX | #ECA540 |
| RGB | rgb(236, 165, 64) |
| HSL | hsl(35, 82%, 59%) |
| OKLCH | oklch(77.3% 0.141 72) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #ECA540 | 2.09:1 | Fails | Lc -45.4 | Large or bold text, headings |
| Black text on #ECA540 | 10.02:1 | AAA | Lc 63.2 | Content text, not long reading |
| #ECA540 text on white | 2.09:1 | Fails | Lc 40.8 | Non-text elements, placeholder text |
| #ECA540 text on black | 10.02:1 | AAA | Lc -61.5 | 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.
-
Step 50
50
#FEF4E8
oklch(97.2% 0.019 72.6)
-
Step 100
100
#FBE6CD
oklch(93.5% 0.04 72.1)
-
Step 200
200
#FAD1A0
oklch(88.4% 0.078 71.5)
-
Step 300
300 (this color)
#ECA540
oklch(77.3% 0.141 72)
-
Step 400
400
#D98E00
oklch(70.6% 0.151 72.1)
-
Step 500
500
#BB7A00
oklch(63.2% 0.135 72.2)
-
Step 600
600
#9D6600
oklch(55.6% 0.119 72.5)
-
Step 700
700
#855500
oklch(49.1% 0.105 71.8)
-
Step 800
800
#6D4500
oklch(42.6% 0.091 72)
-
Step 900
900
#5B3900
oklch(37.6% 0.08 72.2)
-
Step 950
950
#372100
oklch(27% 0.057 72.9)
#ECA540 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #BEA933 | 0.076 |
| Deuteranopia (no green cones) | #CEBA43 | 0.067 |
| Tritanopia (no blue cones) | #FF9390 | 0.115 |
| Achromatopsia (no color) | #B3B3B3 | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECA540
#ECA540
oklch(77.3% 0.141 72)
- #7BBAFF
#7BBAFF
oklch(77.4% 0.119 251.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #ECA540, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.028
- Squash #F2AB15 ΔE 0.030
- Light Orange #FDAA48 ΔE 0.032
- Mango #FFA62B ΔE 0.032
- Sandy Brown #F4A460 ΔE 0.034
- Orange #FFA500 ΔE 0.036
- Goldenrod #DAA520 ΔE 0.038
- Earth Yellow #DDA15E ΔE 0.038
Use #ECA540 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.