#EFBC51
Closest named color: Maximum Yellow Red (#FCBF49). oklch(82.2% 0.136 83.1), rgb(239, 188, 81).
Aa
Black text reads best on this color (11.98:1).
About this color
#EFBC51 is a light, moderately saturated orange. In OKLCH its lightness is 82%, its chroma 0.136 and its hue 83°. Its hue sits on the warm side of the wheel. The nearest named color is Maximum Yellow Red (#FCBF49), ΔE 0.023 away. Black text reads best on it, at 11.98:1.
| Hue family | Oranges |
| Lightness | light (82%) |
| Chroma | moderately saturated (0.136) |
| Temperature | warm |
| Nearest name | Maximum Yellow Red (#FCBF49) |
| Black text | 11.98:1 |
| White text | 1.75:1 |
Values
| HEX | #EFBC51 |
| RGB | rgb(239, 188, 81) |
| HSL | hsl(41, 83%, 63%) |
| OKLCH | oklch(82.2% 0.136 83.1) |
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 #EFBC51 | 1.75:1 | Fails | Lc -35.8 | Non-text elements, placeholder text |
| Black text on #EFBC51 | 11.98:1 | AAA | Lc 72.0 | Content text, not long reading |
| #EFBC51 text on white | 1.75:1 | Fails | Lc 31.9 | Non-text elements, placeholder text |
| #EFBC51 text on black | 11.98:1 | AAA | Lc -70.9 | 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
#FBF5E8
oklch(97.1% 0.018 86.1)
-
Step 100
100
#F7E8CD
oklch(93.6% 0.039 82.3)
-
Step 200
200
#F1D5A0
oklch(88.4% 0.075 83.1)
-
Step 300
300 (this color)
#EFBC51
oklch(82.2% 0.136 83.1)
-
Step 400
400
#CC9700
oklch(70.8% 0.145 83.4)
-
Step 500
500
#AF8100
oklch(63.2% 0.13 83.3)
-
Step 600
600
#936C00
oklch(55.6% 0.114 83.5)
-
Step 700
700
#7C5A00
oklch(49% 0.101 82.9)
-
Step 800
800
#664A00
oklch(42.8% 0.088 83.6)
-
Step 900
900
#553D00
oklch(37.7% 0.077 83.5)
-
Step 950
950
#332300
oklch(26.8% 0.055 83)
#EFBC51 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) | #D2BC45 | 0.047 |
| Deuteranopia (no green cones) | #DEC955 | 0.039 |
| Tritanopia (no blue cones) | #FFACA5 | 0.119 |
| Achromatopsia (no color) | #C4C4C4 | 0.136 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFBC51
#EFBC51
oklch(82.2% 0.136 83.1)
- #A7C5FF
#A7C5FF
oklch(82.2% 0.088 263.3)
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 #EFBC51, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Maximum Yellow Red #FCBF49 ΔE 0.023
- Macaroni And Cheese #EFB435 ΔE 0.023
- Saffron #E9C46A ΔE 0.024
- Butterscotch #FDB147 ΔE 0.031
- Orangey Yellow #FDB915 ΔE 0.033
- Golden Rod #F9BC08 ΔE 0.034
- Golden #F5BF03 ΔE 0.037
- Yellow Orange #FCB001 ΔE 0.038
Use #EFBC51 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.