#EFB559
Closest named color: Butterscotch (#FDB147). oklch(80.9% 0.128 76.7), rgb(239, 181, 89).
Aa
Black text reads best on this color (11.42:1).
About this color
#EFB559 is a light, moderately saturated orange. In OKLCH its lightness is 81%, its chroma 0.128 and its hue 77°. Its hue sits on the warm side of the wheel. The nearest named color is Butterscotch (#FDB147), ΔE 0.024 away. Black text reads best on it, at 11.42:1.
| Hue family | Oranges |
| Lightness | light (81%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Butterscotch (#FDB147) |
| Black text | 11.42:1 |
| White text | 1.83:1 |
Values
| HEX | #EFB559 |
| RGB | rgb(239, 181, 89) |
| HSL | hsl(37, 82%, 64%) |
| OKLCH | oklch(80.9% 0.128 76.7) |
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 #EFB559 | 1.83:1 | Fails | Lc -38.5 | Non-text elements, placeholder text |
| Black text on #EFB559 | 11.42:1 | AAA | Lc 69.5 | Content text, not long reading |
| #EFB559 text on white | 1.83:1 | Fails | Lc 34.3 | Non-text elements, placeholder text |
| #EFB559 text on black | 11.42:1 | AAA | Lc -68.2 | 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
#FCF4E9
oklch(97% 0.017 76.1)
-
Step 100
100
#F8E7CF
oklch(93.5% 0.037 76.6)
-
Step 200
200
#F4D4A5
oklch(88.6% 0.071 77.2)
-
Step 300
300 (this color)
#EFB559
oklch(80.9% 0.128 76.7)
-
Step 400
400
#D49200
oklch(70.7% 0.148 76.6)
-
Step 500
500
#B67D00
oklch(63.2% 0.132 76.8)
-
Step 600
600
#996800
oklch(55.5% 0.116 76.4)
-
Step 700
700
#815700
oklch(49% 0.103 76.4)
-
Step 800
800
#6A4700
oklch(42.6% 0.089 76.7)
-
Step 900
900
#593B00
oklch(37.8% 0.079 76.7)
-
Step 950
950
#362200
oklch(27% 0.057 76.3)
#EFB559 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) | #CBB750 | 0.058 |
| Deuteranopia (no green cones) | #D9C55C | 0.050 |
| Tritanopia (no blue cones) | #FFA5A0 | 0.108 |
| Achromatopsia (no color) | #BFBFBF | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFB559
#EFB559
oklch(80.9% 0.128 76.7)
- #98C3FF
#98C3FF
oklch(80.9% 0.097 256.8)
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 #EFB559, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Butterscotch #FDB147 ΔE 0.024
- Macaroni And Cheese #EFB435 ΔE 0.026
- Light Orange #FDAA48 ΔE 0.031
- Saffron #E9C46A ΔE 0.036
- Maximum Yellow Red #FCBF49 ΔE 0.038
- Squash #F2AB15 ΔE 0.039
- Pale Orange #FFA756 ΔE 0.040
- Yellow Orange #FCB001 ΔE 0.041
Use #EFB559 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.