#ECA428
Closest named color: Gamboge (#EE9B00). oklch(77% 0.152 74.9), rgb(236, 164, 40).
Aa
Black text reads best on this color (9.90:1).
About this color
#ECA428 is a medium-light, vivid orange. In OKLCH its lightness is 77%, its chroma 0.152 and its hue 75°. Its hue sits on the warm side of the wheel. The nearest named color is Gamboge (#EE9B00), ΔE 0.021 away. Black text reads best on it, at 9.90:1.
| Hue family | Oranges |
| Lightness | medium-light (77%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Gamboge (#EE9B00) |
| Black text | 9.90:1 |
| White text | 2.11:1 |
Values
| HEX | #ECA428 |
| RGB | rgb(236, 164, 40) |
| HSL | hsl(38, 84%, 54%) |
| OKLCH | oklch(77% 0.152 74.9) |
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 #ECA428 | 2.11:1 | Fails | Lc -45.9 | Large or bold text, headings |
| Black text on #ECA428 | 9.90:1 | AAA | Lc 62.7 | Content text, not long reading |
| #ECA428 text on white | 2.11:1 | Fails | Lc 41.3 | Non-text elements, placeholder text |
| #ECA428 text on black | 9.90:1 | AAA | Lc -61.0 | 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.
-
Step 50
50
#FEF4E7
oklch(97.1% 0.02 74.7)
-
Step 100
100
#FCE6CA
oklch(93.6% 0.044 73.9)
-
Step 200
200
#FAD29A
oklch(88.5% 0.085 75.6)
-
Step 300
300 (this color)
#ECA428
oklch(77% 0.152 74.9)
-
Step 400
400
#D69100
oklch(70.8% 0.149 75.1)
-
Step 500
500
#B87C00
oklch(63.2% 0.133 75.1)
-
Step 600
600
#9B6700
oklch(55.5% 0.117 74.4)
-
Step 700
700
#835600
oklch(49.1% 0.104 74.1)
-
Step 800
800
#6B4600
oklch(42.6% 0.09 74.7)
-
Step 900
900
#5A3A00
oklch(37.7% 0.08 74.4)
-
Step 950
950
#362200
oklch(27% 0.057 76.3)
#ECA428 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) | #BEA804 | 0.077 |
| Deuteranopia (no green cones) | #CFB92D | 0.066 |
| Tritanopia (no blue cones) | #FF918D | 0.126 |
| Achromatopsia (no color) | #B2B2B2 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ECA428
#ECA428
oklch(77% 0.152 74.9)
- #7FB7FF
#7FB7FF
oklch(76.9% 0.119 255.2)
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 #ECA428, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Gamboge #EE9B00 ΔE 0.021
- Squash #F2AB15 ΔE 0.023
- Goldenrod #DAA520 ΔE 0.030
- Orange #FFA500 ΔE 0.032
- Mango #FFA62B ΔE 0.033
- Light Orange #FDAA48 ΔE 0.039
- Macaroni And Cheese #EFB435 ΔE 0.039
- Orange Yellow #FFAD01 ΔE 0.041
Use #ECA428 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.