#EFC557
Closest named color: Saffron (#E9C46A). oklch(84% 0.135 88.1), rgb(239, 197, 87).
Aa
Black text reads best on this color (12.79:1).
About this color
#EFC557 is a light, moderately saturated orange. In OKLCH its lightness is 84%, its chroma 0.135 and its hue 88°. Its hue sits on the warm side of the wheel. The nearest named color is Saffron (#E9C46A), ΔE 0.019 away. Black text reads best on it, at 12.79:1.
| Hue family | Oranges |
| Lightness | light (84%) |
| Chroma | moderately saturated (0.135) |
| Temperature | warm |
| Nearest name | Saffron (#E9C46A) |
| Black text | 12.79:1 |
| White text | 1.64:1 |
Values
| HEX | #EFC557 |
| RGB | rgb(239, 197, 87) |
| HSL | hsl(43, 83%, 64%) |
| OKLCH | oklch(84% 0.135 88.1) |
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 #EFC557 | 1.64:1 | Fails | Lc -32.0 | Non-text elements, placeholder text |
| Black text on #EFC557 | 12.79:1 | AAA | Lc 75.5 | Fine for body text |
| #EFC557 text on white | 1.64:1 | Fails | Lc 28.3 | Dividers and decoration only |
| #EFC557 text on black | 12.79:1 | AAA | Lc -74.6 | 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
#FAF5E8
oklch(97% 0.018 89.4)
-
Step 100
100
#F5E9CD
oklch(93.6% 0.039 87.6)
-
Step 200
200
#EED7A0
oklch(88.5% 0.075 87.9)
-
Step 300
300 (this color)
#EFC557
oklch(84% 0.135 88.1)
-
Step 400
400
#C69A00
oklch(70.7% 0.145 88.1)
-
Step 500
500
#AA8400
oklch(63.2% 0.129 88.2)
-
Step 600
600
#8F6E00
oklch(55.5% 0.114 87.7)
-
Step 700
700
#785C00
oklch(49% 0.1 87.9)
-
Step 800
800
#634B00
oklch(42.6% 0.087 87.5)
-
Step 900
900
#523E00
oklch(37.5% 0.077 88)
-
Step 950
950
#322400
oklch(27% 0.055 86.6)
#EFC557 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) | #DAC34B | 0.035 |
| Deuteranopia (no green cones) | #E4CF5C | 0.028 |
| Tritanopia (no blue cones) | #FFB6AD | 0.121 |
| Achromatopsia (no color) | #CACACA | 0.135 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFC557
#EFC557
oklch(84% 0.135 88.1)
- #B4C9FF
#B4C9FF
oklch(83.9% 0.079 268.1)
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 #EFC557, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Saffron #E9C46A ΔE 0.019
- Maximum Yellow Red #FCBF49 ΔE 0.022
- Sand #E2CA76 ΔE 0.030
- Maize #F4D054 ΔE 0.030
- Golden #F5BF03 ΔE 0.035
- Marigold #FCC006 ΔE 0.036
- Golden Rod #F9BC08 ΔE 0.036
- Amber #FFBE0B ΔE 0.038
Use #EFC557 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.