#EFA817
Closest named color: Squash (#F2AB15). oklch(78% 0.159 77.3), rgb(239, 168, 23).
Aa
Black text reads best on this color (10.28:1).
About this color
#EFA817 is a light, vivid orange. In OKLCH its lightness is 78%, its chroma 0.159 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Squash (#F2AB15), ΔE 0.009 away. Black text reads best on it, at 10.28:1.
| Hue family | Oranges |
| Lightness | light (78%) |
| Chroma | vivid (0.159) |
| Temperature | warm |
| Nearest name | Squash (#F2AB15) |
| Black text | 10.28:1 |
| White text | 2.04:1 |
Values
| HEX | #EFA817 |
| RGB | rgb(239, 168, 23) |
| HSL | hsl(40, 87%, 51%) |
| OKLCH | oklch(78% 0.159 77.3) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #EFA817 | 2.04:1 | Fails | Lc -44.0 | Non-text elements, placeholder text |
| Black text on #EFA817 | 10.28:1 | AAA | Lc 64.5 | Content text, not long reading |
| #EFA817 text on white | 2.04:1 | Fails | Lc 39.4 | Non-text elements, placeholder text |
| #EFA817 text on black | 10.28:1 | AAA | Lc -62.9 | 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
#FEF4E6
oklch(97.1% 0.021 76.5)
-
Step 100
100
#FBE7C8
oklch(93.6% 0.046 78.8)
-
Step 200
200
#FAD297
oklch(88.5% 0.088 76.9)
-
Step 300
300 (this color)
#EFA817
oklch(78% 0.159 77.3)
-
Step 400
400
#D39200
oklch(70.6% 0.148 77.1)
-
Step 500
500
#B57D00
oklch(63.1% 0.132 77.3)
-
Step 600
600
#996900
oklch(55.7% 0.116 77.3)
-
Step 700
700
#815800
oklch(49.2% 0.103 77.4)
-
Step 800
800
#6A4700
oklch(42.6% 0.089 76.7)
-
Step 900
900
#583B00
oklch(37.6% 0.078 77.7)
-
Step 950
950
#362200
oklch(27% 0.057 76.3)
#EFA817 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) | #C2AB00 | 0.073 |
| Deuteranopia (no green cones) | #D3BC21 | 0.063 |
| Tritanopia (no blue cones) | #FF9490 | 0.135 |
| Achromatopsia (no color) | #B5B5B5 | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFA817
#EFA817
oklch(78% 0.159 77.3)
- #89B9FF
#89B9FF
oklch(77.9% 0.113 257.7)
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 #EFA817, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Squash #F2AB15 ΔE 0.009
- Orange #FFA500 ΔE 0.026
- Macaroni And Cheese #EFB435 ΔE 0.028
- Mango #FFA62B ΔE 0.029
- Orange Yellow #FFAD01 ΔE 0.030
- Gamboge #EE9B00 ΔE 0.031
- Yellow Orange #FCB001 ΔE 0.031
- Goldenrod #DAA520 ΔE 0.036
Use #EFA817 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.