#EFBB34
Closest named color: Macaroni And Cheese (#EFB435). oklch(81.7% 0.153 86), rgb(239, 187, 52).
Aa
Black text reads best on this color (11.82:1).
About this color
#EFBB34 is a light, vivid orange. In OKLCH its lightness is 82%, its chroma 0.153 and its hue 86°. Its hue sits on the warm side of the wheel. The nearest named color is Macaroni And Cheese (#EFB435), ΔE 0.018 away. Black text reads best on it, at 11.82:1.
| Hue family | Oranges |
| Lightness | light (82%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Macaroni And Cheese (#EFB435) |
| Black text | 11.82:1 |
| White text | 1.77:1 |
Values
| HEX | #EFBB34 |
| RGB | rgb(239, 187, 52) |
| HSL | hsl(43, 85%, 57%) |
| OKLCH | oklch(81.7% 0.153 86) |
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 #EFBB34 | 1.77:1 | Fails | Lc -36.5 | Non-text elements, placeholder text |
| Black text on #EFBB34 | 11.82:1 | AAA | Lc 71.4 | Content text, not long reading |
| #EFBB34 text on white | 1.77:1 | Fails | Lc 32.5 | Non-text elements, placeholder text |
| #EFBB34 text on black | 11.82:1 | AAA | Lc -70.2 | 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
#FCF5E6
oklch(97.2% 0.021 85.9)
-
Step 100
100
#F7E8C9
oklch(93.5% 0.044 85.2)
-
Step 200
200
#F2D698
oklch(88.5% 0.085 86.3)
-
Step 300
300 (this color)
#EFBB34
oklch(81.7% 0.153 86)
-
Step 400
400
#C89900
oklch(70.8% 0.145 86.5)
-
Step 500
500
#AC8200
oklch(63% 0.129 85.7)
-
Step 600
600
#916D00
oklch(55.6% 0.114 85.6)
-
Step 700
700
#7A5C00
oklch(49.2% 0.101 86.4)
-
Step 800
800
#644B00
oklch(42.8% 0.087 86.6)
-
Step 900
900
#543E00
oklch(37.8% 0.077 85.9)
-
Step 950
950
#322400
oklch(27% 0.055 86.6)
#EFBB34 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) | #D2BA18 | 0.049 |
| Deuteranopia (no green cones) | #DFC83B | 0.038 |
| Tritanopia (no blue cones) | #FFAAA1 | 0.135 |
| Achromatopsia (no color) | #C2C2C2 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #EFBB34
#EFBB34
oklch(81.7% 0.153 86)
- #A8C2FF
#A8C2FF
oklch(81.7% 0.091 266.5)
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 #EFBB34, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Macaroni And Cheese #EFB435 ΔE 0.018
- Golden Rod #F9BC08 ΔE 0.020
- Golden #F5BF03 ΔE 0.021
- Orangey Yellow #FDB915 ΔE 0.022
- Maximum Yellow Red #FCBF49 ΔE 0.027
- Marigold #FCC006 ΔE 0.028
- Amber #FFBE0B ΔE 0.029
- Yellow Orange #FCB001 ΔE 0.030
Use #EFBB34 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.